Home / 3,787.52-5,677.62-1,189.84

Finding the Fourth Proportional to 3,787.52, 5,677.62 and 1,189.84

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Solution

The fourth proportional to 3,787.52, 5,677.62 and 1,189.84 is: 1,783.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.52 : 5,677.62 = 1,189.84 : x
  2. Step 2: Convert to fraction form
    3,787.52/5,677.62 = 1,189.84/x
  3. Step 3: Cross multiply
    3,787.52x = 5,677.62 × 1,189.84
  4. Step 4: Simplify right side
    3,787.52x = 6,755,459.38
  5. Step 5: Solve for x
    x = 6,755,459.38/3,787.52
  6. Step 6: Final answer
    x = 1,783.61

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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.