Home / 3,921.56-5,881.66-1,148.18

Finding the Fourth Proportional to 3,921.56, 5,881.66 and 1,148.18

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Solution

The fourth proportional to 3,921.56, 5,881.66 and 1,148.18 is: 1,722.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.56 : 5,881.66 = 1,148.18 : x
  2. Step 2: Convert to fraction form
    3,921.56/5,881.66 = 1,148.18/x
  3. Step 3: Cross multiply
    3,921.56x = 5,881.66 × 1,148.18
  4. Step 4: Simplify right side
    3,921.56x = 6,753,178.56
  5. Step 5: Solve for x
    x = 6,753,178.56/3,921.56
  6. Step 6: Final answer
    x = 1,722.06

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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.