Home / 3,557.49-5,335.44-1,998.20

Finding the Fourth Proportional to 3,557.49, 5,335.44 and 1,998.20

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Solution

The fourth proportional to 3,557.49, 5,335.44 and 1,998.20 is: 2,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.49 : 5,335.44 = 1,998.20 : x
  2. Step 2: Convert to fraction form
    3,557.49/5,335.44 = 1,998.20/x
  3. Step 3: Cross multiply
    3,557.49x = 5,335.44 × 1,998.20
  4. Step 4: Simplify right side
    3,557.49x = 10,661,249.53
  5. Step 5: Solve for x
    x = 10,661,249.53/3,557.49
  6. Step 6: Final answer
    x = 2,996.85

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,558.49, 5,336.94 and 1,999.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.