Home / 3,755.25-5,632.81-1,122.76

Finding the Fourth Proportional to 3,755.25, 5,632.81 and 1,122.76

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Solution

The fourth proportional to 3,755.25, 5,632.81 and 1,122.76 is: 1,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.25 : 5,632.81 = 1,122.76 : x
  2. Step 2: Convert to fraction form
    3,755.25/5,632.81 = 1,122.76/x
  3. Step 3: Cross multiply
    3,755.25x = 5,632.81 × 1,122.76
  4. Step 4: Simplify right side
    3,755.25x = 6,324,293.76
  5. Step 5: Solve for x
    x = 6,324,293.76/3,755.25
  6. Step 6: Final answer
    x = 1,684.12

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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.