Home / 3,911.22-5,397.57-2,338.74

Finding the Fourth Proportional to 3,911.22, 5,397.57 and 2,338.74

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Solution

The fourth proportional to 3,911.22, 5,397.57 and 2,338.74 is: 3,227.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.22 : 5,397.57 = 2,338.74 : x
  2. Step 2: Convert to fraction form
    3,911.22/5,397.57 = 2,338.74/x
  3. Step 3: Cross multiply
    3,911.22x = 5,397.57 × 2,338.74
  4. Step 4: Simplify right side
    3,911.22x = 12,623,512.86
  5. Step 5: Solve for x
    x = 12,623,512.86/3,911.22
  6. Step 6: Final answer
    x = 3,227.51

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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.