Home / 3,008.12-4,512.25-1,426.46

Finding the Fourth Proportional to 3,008.12, 4,512.25 and 1,426.46

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Solution

The fourth proportional to 3,008.12, 4,512.25 and 1,426.46 is: 2,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.12 : 4,512.25 = 1,426.46 : x
  2. Step 2: Convert to fraction form
    3,008.12/4,512.25 = 1,426.46/x
  3. Step 3: Cross multiply
    3,008.12x = 4,512.25 × 1,426.46
  4. Step 4: Simplify right side
    3,008.12x = 6,436,551.85
  5. Step 5: Solve for x
    x = 6,436,551.85/3,008.12
  6. Step 6: Final answer
    x = 2,139.73

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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.