Home / 1,731.17-2,387.66-1,532.21

Finding the Fourth Proportional to 1,731.17, 2,387.66 and 1,532.21

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Solution

The fourth proportional to 1,731.17, 2,387.66 and 1,532.21 is: 2,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.17 : 2,387.66 = 1,532.21 : x
  2. Step 2: Convert to fraction form
    1,731.17/2,387.66 = 1,532.21/x
  3. Step 3: Cross multiply
    1,731.17x = 2,387.66 × 1,532.21
  4. Step 4: Simplify right side
    1,731.17x = 3,658,396.53
  5. Step 5: Solve for x
    x = 3,658,396.53/1,731.17
  6. Step 6: Final answer
    x = 2,113.26

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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.