Home / 1,639.31-2,454.25-1,523.98

Finding the Fourth Proportional to 1,639.31, 2,454.25 and 1,523.98

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Solution

The fourth proportional to 1,639.31, 2,454.25 and 1,523.98 is: 2,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639.31 : 2,454.25 = 1,523.98 : x
  2. Step 2: Convert to fraction form
    1,639.31/2,454.25 = 1,523.98/x
  3. Step 3: Cross multiply
    1,639.31x = 2,454.25 × 1,523.98
  4. Step 4: Simplify right side
    1,639.31x = 3,740,217.97
  5. Step 5: Solve for x
    x = 3,740,217.97/1,639.31
  6. Step 6: Final answer
    x = 2,281.59

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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.