Home / 1,587.17-2,188.82-1,250.46

Finding the Fourth Proportional to 1,587.17, 2,188.82 and 1,250.46

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Solution

The fourth proportional to 1,587.17, 2,188.82 and 1,250.46 is: 1,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587.17 : 2,188.82 = 1,250.46 : x
  2. Step 2: Convert to fraction form
    1,587.17/2,188.82 = 1,250.46/x
  3. Step 3: Cross multiply
    1,587.17x = 2,188.82 × 1,250.46
  4. Step 4: Simplify right side
    1,587.17x = 2,737,041.14
  5. Step 5: Solve for x
    x = 2,737,041.14/1,587.17
  6. Step 6: Final answer
    x = 1,724.48

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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.