Home / 3,728.76-5,587.44-1,874.70

Finding the Fourth Proportional to 3,728.76, 5,587.44 and 1,874.70

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Solution

The fourth proportional to 3,728.76, 5,587.44 and 1,874.70 is: 2,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.76 : 5,587.44 = 1,874.70 : x
  2. Step 2: Convert to fraction form
    3,728.76/5,587.44 = 1,874.70/x
  3. Step 3: Cross multiply
    3,728.76x = 5,587.44 × 1,874.70
  4. Step 4: Simplify right side
    3,728.76x = 10,474,773.77
  5. Step 5: Solve for x
    x = 10,474,773.77/3,728.76
  6. Step 6: Final answer
    x = 2,809.18

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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.