Home / 2,500.81-3,451.03-1,381.73

Finding the Fourth Proportional to 2,500.81, 3,451.03 and 1,381.73

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Solution

The fourth proportional to 2,500.81, 3,451.03 and 1,381.73 is: 1,906.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500.81 : 3,451.03 = 1,381.73 : x
  2. Step 2: Convert to fraction form
    2,500.81/3,451.03 = 1,381.73/x
  3. Step 3: Cross multiply
    2,500.81x = 3,451.03 × 1,381.73
  4. Step 4: Simplify right side
    2,500.81x = 4,768,370.97
  5. Step 5: Solve for x
    x = 4,768,370.97/2,500.81
  6. Step 6: Final answer
    x = 1,906.73

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.