Home / 3,921.26-5,881.88-1,324.13

Finding the Fourth Proportional to 3,921.26, 5,881.88 and 1,324.13

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Solution

The fourth proportional to 3,921.26, 5,881.88 and 1,324.13 is: 1,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.26 : 5,881.88 = 1,324.13 : x
  2. Step 2: Convert to fraction form
    3,921.26/5,881.88 = 1,324.13/x
  3. Step 3: Cross multiply
    3,921.26x = 5,881.88 × 1,324.13
  4. Step 4: Simplify right side
    3,921.26x = 7,788,347.67
  5. Step 5: Solve for x
    x = 7,788,347.67/3,921.26
  6. Step 6: Final answer
    x = 1,986.19

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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.