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Finding the Fourth Proportional to 2,481, 3,430.18 and 2,372.20

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Solution

The fourth proportional to 2,481, 3,430.18 and 2,372.20 is: 3,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481 : 3,430.18 = 2,372.20 : x
  2. Step 2: Convert to fraction form
    2,481/3,430.18 = 2,372.20/x
  3. Step 3: Cross multiply
    2,481x = 3,430.18 × 2,372.20
  4. Step 4: Simplify right side
    2,481x = 8,137,073.00
  5. Step 5: Solve for x
    x = 8,137,073.00/2,481
  6. Step 6: Final answer
    x = 3,279.76

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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.