Home / 3,246.92-4,480.02-2,199.56

Finding the Fourth Proportional to 3,246.92, 4,480.02 and 2,199.56

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Solution

The fourth proportional to 3,246.92, 4,480.02 and 2,199.56 is: 3,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.92 : 4,480.02 = 2,199.56 : x
  2. Step 2: Convert to fraction form
    3,246.92/4,480.02 = 2,199.56/x
  3. Step 3: Cross multiply
    3,246.92x = 4,480.02 × 2,199.56
  4. Step 4: Simplify right side
    3,246.92x = 9,854,072.79
  5. Step 5: Solve for x
    x = 9,854,072.79/3,246.92
  6. Step 6: Final answer
    x = 3,034.90

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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.