Home / 3,275.50-4,909.15-2,579.42

Finding the Fourth Proportional to 3,275.50, 4,909.15 and 2,579.42

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Solution

The fourth proportional to 3,275.50, 4,909.15 and 2,579.42 is: 3,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.50 : 4,909.15 = 2,579.42 : x
  2. Step 2: Convert to fraction form
    3,275.50/4,909.15 = 2,579.42/x
  3. Step 3: Cross multiply
    3,275.50x = 4,909.15 × 2,579.42
  4. Step 4: Simplify right side
    3,275.50x = 12,662,773.46
  5. Step 5: Solve for x
    x = 12,662,773.46/3,275.50
  6. Step 6: Final answer
    x = 3,865.90

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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.