Home / 2,656.44-3,961.27-2,471.76

Finding the Fourth Proportional to 2,656.44, 3,961.27 and 2,471.76

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Solution

The fourth proportional to 2,656.44, 3,961.27 and 2,471.76 is: 3,685.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.44 : 3,961.27 = 2,471.76 : x
  2. Step 2: Convert to fraction form
    2,656.44/3,961.27 = 2,471.76/x
  3. Step 3: Cross multiply
    2,656.44x = 3,961.27 × 2,471.76
  4. Step 4: Simplify right side
    2,656.44x = 9,791,308.74
  5. Step 5: Solve for x
    x = 9,791,308.74/2,656.44
  6. Step 6: Final answer
    x = 3,685.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.