Home / 3,787.08-5,680.89-1,191.84

Finding the Fourth Proportional to 3,787.08, 5,680.89 and 1,191.84

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Solution

The fourth proportional to 3,787.08, 5,680.89 and 1,191.84 is: 1,787.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.08 : 5,680.89 = 1,191.84 : x
  2. Step 2: Convert to fraction form
    3,787.08/5,680.89 = 1,191.84/x
  3. Step 3: Cross multiply
    3,787.08x = 5,680.89 × 1,191.84
  4. Step 4: Simplify right side
    3,787.08x = 6,770,711.94
  5. Step 5: Solve for x
    x = 6,770,711.94/3,787.08
  6. Step 6: Final answer
    x = 1,787.84

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1.5x scale

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.