Home / 1,243.18-1,715.29-1,044.76

Finding the Fourth Proportional to 1,243.18, 1,715.29 and 1,044.76

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Solution

The fourth proportional to 1,243.18, 1,715.29 and 1,044.76 is: 1,441.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243.18 : 1,715.29 = 1,044.76 : x
  2. Step 2: Convert to fraction form
    1,243.18/1,715.29 = 1,044.76/x
  3. Step 3: Cross multiply
    1,243.18x = 1,715.29 × 1,044.76
  4. Step 4: Simplify right side
    1,243.18x = 1,792,066.38
  5. Step 5: Solve for x
    x = 1,792,066.38/1,243.18
  6. Step 6: Final answer
    x = 1,441.52

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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.