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Finding the Fourth Proportional to 4,167.97, 5,748.08 and 2,488.77

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Solution

The fourth proportional to 4,167.97, 5,748.08 and 2,488.77 is: 3,432.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.97 : 5,748.08 = 2,488.77 : x
  2. Step 2: Convert to fraction form
    4,167.97/5,748.08 = 2,488.77/x
  3. Step 3: Cross multiply
    4,167.97x = 5,748.08 × 2,488.77
  4. Step 4: Simplify right side
    4,167.97x = 14,305,636.62
  5. Step 5: Solve for x
    x = 14,305,636.62/4,167.97
  6. Step 6: Final answer
    x = 3,432.28

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1.5x scale

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.