Home / 3,170.22-4,754.07-1,221.18

Finding the Fourth Proportional to 3,170.22, 4,754.07 and 1,221.18

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Solution

The fourth proportional to 3,170.22, 4,754.07 and 1,221.18 is: 1,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.22 : 4,754.07 = 1,221.18 : x
  2. Step 2: Convert to fraction form
    3,170.22/4,754.07 = 1,221.18/x
  3. Step 3: Cross multiply
    3,170.22x = 4,754.07 × 1,221.18
  4. Step 4: Simplify right side
    3,170.22x = 5,805,575.20
  5. Step 5: Solve for x
    x = 5,805,575.20/3,170.22
  6. Step 6: Final answer
    x = 1,831.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.