Home / 2,560.47-3,840.17-1,000.41

Finding the Fourth Proportional to 2,560.47, 3,840.17 and 1,000.41

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Solution

The fourth proportional to 2,560.47, 3,840.17 and 1,000.41 is: 1,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.47 : 3,840.17 = 1,000.41 : x
  2. Step 2: Convert to fraction form
    2,560.47/3,840.17 = 1,000.41/x
  3. Step 3: Cross multiply
    2,560.47x = 3,840.17 × 1,000.41
  4. Step 4: Simplify right side
    2,560.47x = 3,841,739.47
  5. Step 5: Solve for x
    x = 3,841,739.47/2,560.47
  6. Step 6: Final answer
    x = 1,500.40

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.