Home / 2,500.92-3,451.01-1,381.55

Finding the Fourth Proportional to 2,500.92, 3,451.01 and 1,381.55

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Solution

The fourth proportional to 2,500.92, 3,451.01 and 1,381.55 is: 1,906.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500.92 : 3,451.01 = 1,381.55 : x
  2. Step 2: Convert to fraction form
    2,500.92/3,451.01 = 1,381.55/x
  3. Step 3: Cross multiply
    2,500.92x = 3,451.01 × 1,381.55
  4. Step 4: Simplify right side
    2,500.92x = 4,767,718.70
  5. Step 5: Solve for x
    x = 4,767,718.70/2,500.92
  6. Step 6: Final answer
    x = 1,906.39

Related Problems

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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.