Home / 1,702.22-2,551.01-1,531.53

Finding the Fourth Proportional to 1,702.22, 2,551.01 and 1,531.53

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Solution

The fourth proportional to 1,702.22, 2,551.01 and 1,531.53 is: 2,295.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.22 : 2,551.01 = 1,531.53 : x
  2. Step 2: Convert to fraction form
    1,702.22/2,551.01 = 1,531.53/x
  3. Step 3: Cross multiply
    1,702.22x = 2,551.01 × 1,531.53
  4. Step 4: Simplify right side
    1,702.22x = 3,906,940.69
  5. Step 5: Solve for x
    x = 3,906,940.69/1,702.22
  6. Step 6: Final answer
    x = 2,295.21

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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.