Home / 2,197.24-3,031.46-1,252.92

Finding the Fourth Proportional to 2,197.24, 3,031.46 and 1,252.92

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Solution

The fourth proportional to 2,197.24, 3,031.46 and 1,252.92 is: 1,728.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.24 : 3,031.46 = 1,252.92 : x
  2. Step 2: Convert to fraction form
    2,197.24/3,031.46 = 1,252.92/x
  3. Step 3: Cross multiply
    2,197.24x = 3,031.46 × 1,252.92
  4. Step 4: Simplify right side
    2,197.24x = 3,798,176.86
  5. Step 5: Solve for x
    x = 3,798,176.86/2,197.24
  6. Step 6: Final answer
    x = 1,728.61

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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.