Home / 1,747.46-2,411.28-1,039.32

Finding the Fourth Proportional to 1,747.46, 2,411.28 and 1,039.32

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Solution

The fourth proportional to 1,747.46, 2,411.28 and 1,039.32 is: 1,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.46 : 2,411.28 = 1,039.32 : x
  2. Step 2: Convert to fraction form
    1,747.46/2,411.28 = 1,039.32/x
  3. Step 3: Cross multiply
    1,747.46x = 2,411.28 × 1,039.32
  4. Step 4: Simplify right side
    1,747.46x = 2,506,091.53
  5. Step 5: Solve for x
    x = 2,506,091.53/1,747.46
  6. Step 6: Final answer
    x = 1,434.13

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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.