Home / 3,758.42-5,187.90-2,187.83

Finding the Fourth Proportional to 3,758.42, 5,187.90 and 2,187.83

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Solution

The fourth proportional to 3,758.42, 5,187.90 and 2,187.83 is: 3,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.42 : 5,187.90 = 2,187.83 : x
  2. Step 2: Convert to fraction form
    3,758.42/5,187.90 = 2,187.83/x
  3. Step 3: Cross multiply
    3,758.42x = 5,187.90 × 2,187.83
  4. Step 4: Simplify right side
    3,758.42x = 11,350,217.32
  5. Step 5: Solve for x
    x = 11,350,217.32/3,758.42
  6. Step 6: Final answer
    x = 3,019.95

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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.