Home / 1,742.11-2,406.00-1,080.54

Finding the Fourth Proportional to 1,742.11, 2,406.00 and 1,080.54

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Solution

The fourth proportional to 1,742.11, 2,406.00 and 1,080.54 is: 1,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.11 : 2,406.00 = 1,080.54 : x
  2. Step 2: Convert to fraction form
    1,742.11/2,406.00 = 1,080.54/x
  3. Step 3: Cross multiply
    1,742.11x = 2,406.00 × 1,080.54
  4. Step 4: Simplify right side
    1,742.11x = 2,599,783.29
  5. Step 5: Solve for x
    x = 2,599,783.29/1,742.11
  6. Step 6: Final answer
    x = 1,492.32

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Half scale
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Double scale
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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.