Home / 3,587.96-4,951.87-2,171.70

Finding the Fourth Proportional to 3,587.96, 4,951.87 and 2,171.70

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Solution

The fourth proportional to 3,587.96, 4,951.87 and 2,171.70 is: 2,997.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.96 : 4,951.87 = 2,171.70 : x
  2. Step 2: Convert to fraction form
    3,587.96/4,951.87 = 2,171.70/x
  3. Step 3: Cross multiply
    3,587.96x = 4,951.87 × 2,171.70
  4. Step 4: Simplify right side
    3,587.96x = 10,753,970.65
  5. Step 5: Solve for x
    x = 10,753,970.65/3,587.96
  6. Step 6: Final answer
    x = 2,997.24

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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.