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Finding the Fourth Proportional to 1,531.62, 2,294.64 and 837.36

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Solution

The fourth proportional to 1,531.62, 2,294.64 and 837.36 is: 1,254.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.62 : 2,294.64 = 837.36 : x
  2. Step 2: Convert to fraction form
    1,531.62/2,294.64 = 837.36/x
  3. Step 3: Cross multiply
    1,531.62x = 2,294.64 × 837.36
  4. Step 4: Simplify right side
    1,531.62x = 1,921,439.75
  5. Step 5: Solve for x
    x = 1,921,439.75/1,531.62
  6. Step 6: Final answer
    x = 1,254.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.