Home / 2,197.20-3,032.28-1,253.04

Finding the Fourth Proportional to 2,197.20, 3,032.28 and 1,253.04

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Solution

The fourth proportional to 2,197.20, 3,032.28 and 1,253.04 is: 1,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.20 : 3,032.28 = 1,253.04 : x
  2. Step 2: Convert to fraction form
    2,197.20/3,032.28 = 1,253.04/x
  3. Step 3: Cross multiply
    2,197.20x = 3,032.28 × 1,253.04
  4. Step 4: Simplify right side
    2,197.20x = 3,799,568.13
  5. Step 5: Solve for x
    x = 3,799,568.13/2,197.20
  6. Step 6: Final answer
    x = 1,729.28

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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.