Home / 3,657.57-5,046.12-2,084.75

Finding the Fourth Proportional to 3,657.57, 5,046.12 and 2,084.75

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Solution

The fourth proportional to 3,657.57, 5,046.12 and 2,084.75 is: 2,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.57 : 5,046.12 = 2,084.75 : x
  2. Step 2: Convert to fraction form
    3,657.57/5,046.12 = 2,084.75/x
  3. Step 3: Cross multiply
    3,657.57x = 5,046.12 × 2,084.75
  4. Step 4: Simplify right side
    3,657.57x = 10,519,898.67
  5. Step 5: Solve for x
    x = 10,519,898.67/3,657.57
  6. Step 6: Final answer
    x = 2,876.20

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Half scale
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Double scale
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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.