Home / 2,952.20-4,428.46-1,103.80

Finding the Fourth Proportional to 2,952.20, 4,428.46 and 1,103.80

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Solution

The fourth proportional to 2,952.20, 4,428.46 and 1,103.80 is: 1,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.20 : 4,428.46 = 1,103.80 : x
  2. Step 2: Convert to fraction form
    2,952.20/4,428.46 = 1,103.80/x
  3. Step 3: Cross multiply
    2,952.20x = 4,428.46 × 1,103.80
  4. Step 4: Simplify right side
    2,952.20x = 4,888,134.15
  5. Step 5: Solve for x
    x = 4,888,134.15/2,952.20
  6. Step 6: Final answer
    x = 1,655.76

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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.