Home / 3,927.56-5,419.85-2,356.52

Finding the Fourth Proportional to 3,927.56, 5,419.85 and 2,356.52

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Solution

The fourth proportional to 3,927.56, 5,419.85 and 2,356.52 is: 3,251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.56 : 5,419.85 = 2,356.52 : x
  2. Step 2: Convert to fraction form
    3,927.56/5,419.85 = 2,356.52/x
  3. Step 3: Cross multiply
    3,927.56x = 5,419.85 × 2,356.52
  4. Step 4: Simplify right side
    3,927.56x = 12,771,946.04
  5. Step 5: Solve for x
    x = 12,771,946.04/3,927.56
  6. Step 6: Final answer
    x = 3,251.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.