Home / 2,449.28-3,380.01-1,330.22

Finding the Fourth Proportional to 2,449.28, 3,380.01 and 1,330.22

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Solution

The fourth proportional to 2,449.28, 3,380.01 and 1,330.22 is: 1,835.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.28 : 3,380.01 = 1,330.22 : x
  2. Step 2: Convert to fraction form
    2,449.28/3,380.01 = 1,330.22/x
  3. Step 3: Cross multiply
    2,449.28x = 3,380.01 × 1,330.22
  4. Step 4: Simplify right side
    2,449.28x = 4,496,156.90
  5. Step 5: Solve for x
    x = 4,496,156.90/2,449.28
  6. Step 6: Final answer
    x = 1,835.71

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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.