Home / 3,941.28-5,909.28-2,772.24

Finding the Fourth Proportional to 3,941.28, 5,909.28 and 2,772.24

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Solution

The fourth proportional to 3,941.28, 5,909.28 and 2,772.24 is: 4,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.28 : 5,909.28 = 2,772.24 : x
  2. Step 2: Convert to fraction form
    3,941.28/5,909.28 = 2,772.24/x
  3. Step 3: Cross multiply
    3,941.28x = 5,909.28 × 2,772.24
  4. Step 4: Simplify right side
    3,941.28x = 16,381,942.39
  5. Step 5: Solve for x
    x = 16,381,942.39/3,941.28
  6. Step 6: Final answer
    x = 4,156.50

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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.