Home / 3,378.12-4,660.98-2,199.24

Finding the Fourth Proportional to 3,378.12, 4,660.98 and 2,199.24

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Solution

The fourth proportional to 3,378.12, 4,660.98 and 2,199.24 is: 3,034.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.12 : 4,660.98 = 2,199.24 : x
  2. Step 2: Convert to fraction form
    3,378.12/4,660.98 = 2,199.24/x
  3. Step 3: Cross multiply
    3,378.12x = 4,660.98 × 2,199.24
  4. Step 4: Simplify right side
    3,378.12x = 10,250,613.66
  5. Step 5: Solve for x
    x = 10,250,613.66/3,378.12
  6. Step 6: Final answer
    x = 3,034.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.