Home / 3,248.80-4,480.08-1,922.56

Finding the Fourth Proportional to 3,248.80, 4,480.08 and 1,922.56

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Solution

The fourth proportional to 3,248.80, 4,480.08 and 1,922.56 is: 2,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.80 : 4,480.08 = 1,922.56 : x
  2. Step 2: Convert to fraction form
    3,248.80/4,480.08 = 1,922.56/x
  3. Step 3: Cross multiply
    3,248.80x = 4,480.08 × 1,922.56
  4. Step 4: Simplify right side
    3,248.80x = 8,613,222.60
  5. Step 5: Solve for x
    x = 8,613,222.60/3,248.80
  6. Step 6: Final answer
    x = 2,651.20

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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.