Home / 3,921.39-5,882.01-1,581.35

Finding the Fourth Proportional to 3,921.39, 5,882.01 and 1,581.35

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Solution

The fourth proportional to 3,921.39, 5,882.01 and 1,581.35 is: 2,371.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.39 : 5,882.01 = 1,581.35 : x
  2. Step 2: Convert to fraction form
    3,921.39/5,882.01 = 1,581.35/x
  3. Step 3: Cross multiply
    3,921.39x = 5,882.01 × 1,581.35
  4. Step 4: Simplify right side
    3,921.39x = 9,301,487.10
  5. Step 5: Solve for x
    x = 9,301,487.10/3,921.39
  6. Step 6: Final answer
    x = 2,371.99

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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.