Home / 2,656.31-3,981.39-2,348.76

Finding the Fourth Proportional to 2,656.31, 3,981.39 and 2,348.76

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Solution

The fourth proportional to 2,656.31, 3,981.39 and 2,348.76 is: 3,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.31 : 3,981.39 = 2,348.76 : x
  2. Step 2: Convert to fraction form
    2,656.31/3,981.39 = 2,348.76/x
  3. Step 3: Cross multiply
    2,656.31x = 3,981.39 × 2,348.76
  4. Step 4: Simplify right side
    2,656.31x = 9,351,335.70
  5. Step 5: Solve for x
    x = 9,351,335.70/2,656.31
  6. Step 6: Final answer
    x = 3,520.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.