Home / 2,197.42-3,032.28-1,253.31

Finding the Fourth Proportional to 2,197.42, 3,032.28 and 1,253.31

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Solution

The fourth proportional to 2,197.42, 3,032.28 and 1,253.31 is: 1,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.42 : 3,032.28 = 1,253.31 : x
  2. Step 2: Convert to fraction form
    2,197.42/3,032.28 = 1,253.31/x
  3. Step 3: Cross multiply
    2,197.42x = 3,032.28 × 1,253.31
  4. Step 4: Simplify right side
    2,197.42x = 3,800,386.85
  5. Step 5: Solve for x
    x = 3,800,386.85/2,197.42
  6. Step 6: Final answer
    x = 1,729.48

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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.