Home / 3,177.50-4,766.25-1,353.50

Finding the Fourth Proportional to 3,177.50, 4,766.25 and 1,353.50

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Solution

The fourth proportional to 3,177.50, 4,766.25 and 1,353.50 is: 2,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.50 : 4,766.25 = 1,353.50 : x
  2. Step 2: Convert to fraction form
    3,177.50/4,766.25 = 1,353.50/x
  3. Step 3: Cross multiply
    3,177.50x = 4,766.25 × 1,353.50
  4. Step 4: Simplify right side
    3,177.50x = 6,451,119.38
  5. Step 5: Solve for x
    x = 6,451,119.38/3,177.50
  6. Step 6: Final answer
    x = 2,030.25

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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.