Home / 3,248.88-4,480.04-2,199.12

Finding the Fourth Proportional to 3,248.88, 4,480.04 and 2,199.12

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Solution

The fourth proportional to 3,248.88, 4,480.04 and 2,199.12 is: 3,032.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.88 : 4,480.04 = 2,199.12 : x
  2. Step 2: Convert to fraction form
    3,248.88/4,480.04 = 2,199.12/x
  3. Step 3: Cross multiply
    3,248.88x = 4,480.04 × 2,199.12
  4. Step 4: Simplify right side
    3,248.88x = 9,852,145.56
  5. Step 5: Solve for x
    x = 9,852,145.56/3,248.88
  6. Step 6: Final answer
    x = 3,032.47

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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.