Home / 3,507.36-4,841.12-2,180.28

Finding the Fourth Proportional to 3,507.36, 4,841.12 and 2,180.28

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Solution

The fourth proportional to 3,507.36, 4,841.12 and 2,180.28 is: 3,009.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.36 : 4,841.12 = 2,180.28 : x
  2. Step 2: Convert to fraction form
    3,507.36/4,841.12 = 2,180.28/x
  3. Step 3: Cross multiply
    3,507.36x = 4,841.12 × 2,180.28
  4. Step 4: Simplify right side
    3,507.36x = 10,554,997.11
  5. Step 5: Solve for x
    x = 10,554,997.11/3,507.36
  6. Step 6: Final answer
    x = 3,009.39

Related Problems

Find fourth proportional to 1,753.68, 2,420.56 and 1,090.14
Half scale
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Double scale
Find fourth proportional to 3,508.36, 4,842.50 and 2,181.28
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.