Home / 3,787.19-5,680.33-1,013.80

Finding the Fourth Proportional to 3,787.19, 5,680.33 and 1,013.80

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Solution

The fourth proportional to 3,787.19, 5,680.33 and 1,013.80 is: 1,520.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.19 : 5,680.33 = 1,013.80 : x
  2. Step 2: Convert to fraction form
    3,787.19/5,680.33 = 1,013.80/x
  3. Step 3: Cross multiply
    3,787.19x = 5,680.33 × 1,013.80
  4. Step 4: Simplify right side
    3,787.19x = 5,758,712.47
  5. Step 5: Solve for x
    x = 5,758,712.47/3,787.19
  6. Step 6: Final answer
    x = 1,520.58

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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.