Home / 3,177.68-4,764.08-1,327.64

Finding the Fourth Proportional to 3,177.68, 4,764.08 and 1,327.64

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Solution

The fourth proportional to 3,177.68, 4,764.08 and 1,327.64 is: 1,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.68 : 4,764.08 = 1,327.64 : x
  2. Step 2: Convert to fraction form
    3,177.68/4,764.08 = 1,327.64/x
  3. Step 3: Cross multiply
    3,177.68x = 4,764.08 × 1,327.64
  4. Step 4: Simplify right side
    3,177.68x = 6,324,983.17
  5. Step 5: Solve for x
    x = 6,324,983.17/3,177.68
  6. Step 6: Final answer
    x = 1,990.44

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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.