Home / 3,705.32-5,114.06-2,380.70

Finding the Fourth Proportional to 3,705.32, 5,114.06 and 2,380.70

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Solution

The fourth proportional to 3,705.32, 5,114.06 and 2,380.70 is: 3,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.32 : 5,114.06 = 2,380.70 : x
  2. Step 2: Convert to fraction form
    3,705.32/5,114.06 = 2,380.70/x
  3. Step 3: Cross multiply
    3,705.32x = 5,114.06 × 2,380.70
  4. Step 4: Simplify right side
    3,705.32x = 12,175,042.64
  5. Step 5: Solve for x
    x = 12,175,042.64/3,705.32
  6. Step 6: Final answer
    x = 3,285.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.