Home / 2,962.28-4,087.82-1,635.90

Finding the Fourth Proportional to 2,962.28, 4,087.82 and 1,635.90

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Solution

The fourth proportional to 2,962.28, 4,087.82 and 1,635.90 is: 2,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.28 : 4,087.82 = 1,635.90 : x
  2. Step 2: Convert to fraction form
    2,962.28/4,087.82 = 1,635.90/x
  3. Step 3: Cross multiply
    2,962.28x = 4,087.82 × 1,635.90
  4. Step 4: Simplify right side
    2,962.28x = 6,687,256.56
  5. Step 5: Solve for x
    x = 6,687,256.56/2,962.28
  6. Step 6: Final answer
    x = 2,257.47

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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.