Home / 3,178.20-4,764.96-2,201.52

Finding the Fourth Proportional to 3,178.20, 4,764.96 and 2,201.52

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Solution

The fourth proportional to 3,178.20, 4,764.96 and 2,201.52 is: 3,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.20 : 4,764.96 = 2,201.52 : x
  2. Step 2: Convert to fraction form
    3,178.20/4,764.96 = 2,201.52/x
  3. Step 3: Cross multiply
    3,178.20x = 4,764.96 × 2,201.52
  4. Step 4: Simplify right side
    3,178.20x = 10,490,154.74
  5. Step 5: Solve for x
    x = 10,490,154.74/3,178.20
  6. Step 6: Final answer
    x = 3,300.66

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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.