Home / 1,337.12-1,842.40-1,244.76

Finding the Fourth Proportional to 1,337.12, 1,842.40 and 1,244.76

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Solution

The fourth proportional to 1,337.12, 1,842.40 and 1,244.76 is: 1,715.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.12 : 1,842.40 = 1,244.76 : x
  2. Step 2: Convert to fraction form
    1,337.12/1,842.40 = 1,244.76/x
  3. Step 3: Cross multiply
    1,337.12x = 1,842.40 × 1,244.76
  4. Step 4: Simplify right side
    1,337.12x = 2,293,345.82
  5. Step 5: Solve for x
    x = 2,293,345.82/1,337.12
  6. Step 6: Final answer
    x = 1,715.14

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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.