Home / 3,245.44-4,480.80-2,895.52

Finding the Fourth Proportional to 3,245.44, 4,480.80 and 2,895.52

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Solution

The fourth proportional to 3,245.44, 4,480.80 and 2,895.52 is: 3,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.44 : 4,480.80 = 2,895.52 : x
  2. Step 2: Convert to fraction form
    3,245.44/4,480.80 = 2,895.52/x
  3. Step 3: Cross multiply
    3,245.44x = 4,480.80 × 2,895.52
  4. Step 4: Simplify right side
    3,245.44x = 12,974,246.02
  5. Step 5: Solve for x
    x = 12,974,246.02/3,245.44
  6. Step 6: Final answer
    x = 3,997.68

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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.