Home / 3,787.06-5,680.14-1,013.95

Finding the Fourth Proportional to 3,787.06, 5,680.14 and 1,013.95

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Solution

The fourth proportional to 3,787.06, 5,680.14 and 1,013.95 is: 1,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.06 : 5,680.14 = 1,013.95 : x
  2. Step 2: Convert to fraction form
    3,787.06/5,680.14 = 1,013.95/x
  3. Step 3: Cross multiply
    3,787.06x = 5,680.14 × 1,013.95
  4. Step 4: Simplify right side
    3,787.06x = 5,759,377.95
  5. Step 5: Solve for x
    x = 5,759,377.95/3,787.06
  6. Step 6: Final answer
    x = 1,520.80

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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.