Home / 3,787.17-5,680.69-1,705.70

Finding the Fourth Proportional to 3,787.17, 5,680.69 and 1,705.70

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Solution

The fourth proportional to 3,787.17, 5,680.69 and 1,705.70 is: 2,558.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.17 : 5,680.69 = 1,705.70 : x
  2. Step 2: Convert to fraction form
    3,787.17/5,680.69 = 1,705.70/x
  3. Step 3: Cross multiply
    3,787.17x = 5,680.69 × 1,705.70
  4. Step 4: Simplify right side
    3,787.17x = 9,689,552.93
  5. Step 5: Solve for x
    x = 9,689,552.93/3,787.17
  6. Step 6: Final answer
    x = 2,558.52

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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.