Home / 3,240.96-4,475.64-2,248.80

Finding the Fourth Proportional to 3,240.96, 4,475.64 and 2,248.80

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Solution

The fourth proportional to 3,240.96, 4,475.64 and 2,248.80 is: 3,105.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.96 : 4,475.64 = 2,248.80 : x
  2. Step 2: Convert to fraction form
    3,240.96/4,475.64 = 2,248.80/x
  3. Step 3: Cross multiply
    3,240.96x = 4,475.64 × 2,248.80
  4. Step 4: Simplify right side
    3,240.96x = 10,064,819.23
  5. Step 5: Solve for x
    x = 10,064,819.23/3,240.96
  6. Step 6: Final answer
    x = 3,105.51

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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.