Home / 3,170.18-4,755.26-1,221.01

Finding the Fourth Proportional to 3,170.18, 4,755.26 and 1,221.01

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Solution

The fourth proportional to 3,170.18, 4,755.26 and 1,221.01 is: 1,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.18 : 4,755.26 = 1,221.01 : x
  2. Step 2: Convert to fraction form
    3,170.18/4,755.26 = 1,221.01/x
  3. Step 3: Cross multiply
    3,170.18x = 4,755.26 × 1,221.01
  4. Step 4: Simplify right side
    3,170.18x = 5,806,220.01
  5. Step 5: Solve for x
    x = 5,806,220.01/3,170.18
  6. Step 6: Final answer
    x = 1,831.51

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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.