Home / 2,950.28-4,422.21-1,489.55

Finding the Fourth Proportional to 2,950.28, 4,422.21 and 1,489.55

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Solution

The fourth proportional to 2,950.28, 4,422.21 and 1,489.55 is: 2,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.28 : 4,422.21 = 1,489.55 : x
  2. Step 2: Convert to fraction form
    2,950.28/4,422.21 = 1,489.55/x
  3. Step 3: Cross multiply
    2,950.28x = 4,422.21 × 1,489.55
  4. Step 4: Simplify right side
    2,950.28x = 6,587,080.79
  5. Step 5: Solve for x
    x = 6,587,080.79/2,950.28
  6. Step 6: Final answer
    x = 2,232.70

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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.