Home / 2,541.88-3,812.82-1,081

Finding the Fourth Proportional to 2,541.88, 3,812.82 and 1,081

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Solution

The fourth proportional to 2,541.88, 3,812.82 and 1,081 is: 1,621.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.88 : 3,812.82 = 1,081 : x
  2. Step 2: Convert to fraction form
    2,541.88/3,812.82 = 1,081/x
  3. Step 3: Cross multiply
    2,541.88x = 3,812.82 × 1,081
  4. Step 4: Simplify right side
    2,541.88x = 4,121,658.42
  5. Step 5: Solve for x
    x = 4,121,658.42/2,541.88
  6. Step 6: Final answer
    x = 1,621.50

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.