Home / 2,639.31-3,947.14-2,348.52

Finding the Fourth Proportional to 2,639.31, 3,947.14 and 2,348.52

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Solution

The fourth proportional to 2,639.31, 3,947.14 and 2,348.52 is: 3,512.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.31 : 3,947.14 = 2,348.52 : x
  2. Step 2: Convert to fraction form
    2,639.31/3,947.14 = 2,348.52/x
  3. Step 3: Cross multiply
    2,639.31x = 3,947.14 × 2,348.52
  4. Step 4: Simplify right side
    2,639.31x = 9,269,937.23
  5. Step 5: Solve for x
    x = 9,269,937.23/2,639.31
  6. Step 6: Final answer
    x = 3,512.26

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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.