Home / 2,531.52-3,492.18-1,691.28

Finding the Fourth Proportional to 2,531.52, 3,492.18 and 1,691.28

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Solution

The fourth proportional to 2,531.52, 3,492.18 and 1,691.28 is: 2,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.52 : 3,492.18 = 1,691.28 : x
  2. Step 2: Convert to fraction form
    2,531.52/3,492.18 = 1,691.28/x
  3. Step 3: Cross multiply
    2,531.52x = 3,492.18 × 1,691.28
  4. Step 4: Simplify right side
    2,531.52x = 5,906,254.19
  5. Step 5: Solve for x
    x = 5,906,254.19/2,531.52
  6. Step 6: Final answer
    x = 2,333.09

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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.