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Finding the Fourth Proportional to 2,560.97, 3,841.26 and 1,000.68

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Solution

The fourth proportional to 2,560.97, 3,841.26 and 1,000.68 is: 1,500.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.97 : 3,841.26 = 1,000.68 : x
  2. Step 2: Convert to fraction form
    2,560.97/3,841.26 = 1,000.68/x
  3. Step 3: Cross multiply
    2,560.97x = 3,841.26 × 1,000.68
  4. Step 4: Simplify right side
    2,560.97x = 3,843,872.06
  5. Step 5: Solve for x
    x = 3,843,872.06/2,560.97
  6. Step 6: Final answer
    x = 1,500.94

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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.