Home / 3,923.30-5,877.66-3,276.92

Finding the Fourth Proportional to 3,923.30, 5,877.66 and 3,276.92

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Solution

The fourth proportional to 3,923.30, 5,877.66 and 3,276.92 is: 4,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.30 : 5,877.66 = 3,276.92 : x
  2. Step 2: Convert to fraction form
    3,923.30/5,877.66 = 3,276.92/x
  3. Step 3: Cross multiply
    3,923.30x = 5,877.66 × 3,276.92
  4. Step 4: Simplify right side
    3,923.30x = 19,260,621.61
  5. Step 5: Solve for x
    x = 19,260,621.61/3,923.30
  6. Step 6: Final answer
    x = 4,909.29

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1.5x scale

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.