Home / 2,257.44-3,385.83-1,087.38

Finding the Fourth Proportional to 2,257.44, 3,385.83 and 1,087.38

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Solution

The fourth proportional to 2,257.44, 3,385.83 and 1,087.38 is: 1,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.44 : 3,385.83 = 1,087.38 : x
  2. Step 2: Convert to fraction form
    2,257.44/3,385.83 = 1,087.38/x
  3. Step 3: Cross multiply
    2,257.44x = 3,385.83 × 1,087.38
  4. Step 4: Simplify right side
    2,257.44x = 3,681,683.83
  5. Step 5: Solve for x
    x = 3,681,683.83/2,257.44
  6. Step 6: Final answer
    x = 1,630.91

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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.