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Finding the Fourth Proportional to 3,294.01, 4,545.68 and 1,801.90

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Solution

The fourth proportional to 3,294.01, 4,545.68 and 1,801.90 is: 2,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.01 : 4,545.68 = 1,801.90 : x
  2. Step 2: Convert to fraction form
    3,294.01/4,545.68 = 1,801.90/x
  3. Step 3: Cross multiply
    3,294.01x = 4,545.68 × 1,801.90
  4. Step 4: Simplify right side
    3,294.01x = 8,190,860.79
  5. Step 5: Solve for x
    x = 8,190,860.79/3,294.01
  6. Step 6: Final answer
    x = 2,486.59

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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.