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Finding the Fourth Proportional to 1,801.22, 2,702.06 and 502.70

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Solution

The fourth proportional to 1,801.22, 2,702.06 and 502.70 is: 754.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.22 : 2,702.06 = 502.70 : x
  2. Step 2: Convert to fraction form
    1,801.22/2,702.06 = 502.70/x
  3. Step 3: Cross multiply
    1,801.22x = 2,702.06 × 502.70
  4. Step 4: Simplify right side
    1,801.22x = 1,358,309.54
  5. Step 5: Solve for x
    x = 1,358,309.54/1,801.22
  6. Step 6: Final answer
    x = 754.11

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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.