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Finding the Fourth Proportional to 1,801.82, 2,702.90 and 503.30

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Solution

The fourth proportional to 1,801.82, 2,702.90 and 503.30 is: 755.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.82 : 2,702.90 = 503.30 : x
  2. Step 2: Convert to fraction form
    1,801.82/2,702.90 = 503.30/x
  3. Step 3: Cross multiply
    1,801.82x = 2,702.90 × 503.30
  4. Step 4: Simplify right side
    1,801.82x = 1,360,377.59
  5. Step 5: Solve for x
    x = 1,360,377.59/1,801.82
  6. Step 6: Final answer
    x = 755.00

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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.