Home / 3,965.02-5,471.28-2,286.52

Finding the Fourth Proportional to 3,965.02, 5,471.28 and 2,286.52

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Solution

The fourth proportional to 3,965.02, 5,471.28 and 2,286.52 is: 3,155.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.02 : 5,471.28 = 2,286.52 : x
  2. Step 2: Convert to fraction form
    3,965.02/5,471.28 = 2,286.52/x
  3. Step 3: Cross multiply
    3,965.02x = 5,471.28 × 2,286.52
  4. Step 4: Simplify right side
    3,965.02x = 12,510,191.15
  5. Step 5: Solve for x
    x = 12,510,191.15/3,965.02
  6. Step 6: Final answer
    x = 3,155.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.