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Finding the Fourth Proportional to 4,182.76, 5,772 and 2,414.26

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Solution

The fourth proportional to 4,182.76, 5,772 and 2,414.26 is: 3,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.76 : 5,772 = 2,414.26 : x
  2. Step 2: Convert to fraction form
    4,182.76/5,772 = 2,414.26/x
  3. Step 3: Cross multiply
    4,182.76x = 5,772 × 2,414.26
  4. Step 4: Simplify right side
    4,182.76x = 13,935,108.72
  5. Step 5: Solve for x
    x = 13,935,108.72/4,182.76
  6. Step 6: Final answer
    x = 3,331.56

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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.