Home / 1,331.01-2,006.48-1,241.81

Finding the Fourth Proportional to 1,331.01, 2,006.48 and 1,241.81

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Solution

The fourth proportional to 1,331.01, 2,006.48 and 1,241.81 is: 1,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331.01 : 2,006.48 = 1,241.81 : x
  2. Step 2: Convert to fraction form
    1,331.01/2,006.48 = 1,241.81/x
  3. Step 3: Cross multiply
    1,331.01x = 2,006.48 × 1,241.81
  4. Step 4: Simplify right side
    1,331.01x = 2,491,650.69
  5. Step 5: Solve for x
    x = 2,491,650.69/1,331.01
  6. Step 6: Final answer
    x = 1,872.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.