Home / 2,964.20-4,451.10-2,148.20

Finding the Fourth Proportional to 2,964.20, 4,451.10 and 2,148.20

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Solution

The fourth proportional to 2,964.20, 4,451.10 and 2,148.20 is: 3,225.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.20 : 4,451.10 = 2,148.20 : x
  2. Step 2: Convert to fraction form
    2,964.20/4,451.10 = 2,148.20/x
  3. Step 3: Cross multiply
    2,964.20x = 4,451.10 × 2,148.20
  4. Step 4: Simplify right side
    2,964.20x = 9,561,853.02
  5. Step 5: Solve for x
    x = 9,561,853.02/2,964.20
  6. Step 6: Final answer
    x = 3,225.78

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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.