Home / 3,177.98-4,767.12-1,535.90

Finding the Fourth Proportional to 3,177.98, 4,767.12 and 1,535.90

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Solution

The fourth proportional to 3,177.98, 4,767.12 and 1,535.90 is: 2,303.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.98 : 4,767.12 = 1,535.90 : x
  2. Step 2: Convert to fraction form
    3,177.98/4,767.12 = 1,535.90/x
  3. Step 3: Cross multiply
    3,177.98x = 4,767.12 × 1,535.90
  4. Step 4: Simplify right side
    3,177.98x = 7,321,819.61
  5. Step 5: Solve for x
    x = 7,321,819.61/3,177.98
  6. Step 6: Final answer
    x = 2,303.92

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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.