Home / 2,882.50-4,318.28-1,422.68

Finding the Fourth Proportional to 2,882.50, 4,318.28 and 1,422.68

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Solution

The fourth proportional to 2,882.50, 4,318.28 and 1,422.68 is: 2,131.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.50 : 4,318.28 = 1,422.68 : x
  2. Step 2: Convert to fraction form
    2,882.50/4,318.28 = 1,422.68/x
  3. Step 3: Cross multiply
    2,882.50x = 4,318.28 × 1,422.68
  4. Step 4: Simplify right side
    2,882.50x = 6,143,507.22
  5. Step 5: Solve for x
    x = 6,143,507.22/2,882.50
  6. Step 6: Final answer
    x = 2,131.31

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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.