Home / 3,734.33-5,155.13-2,162.12

Finding the Fourth Proportional to 3,734.33, 5,155.13 and 2,162.12

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Solution

The fourth proportional to 3,734.33, 5,155.13 and 2,162.12 is: 2,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.33 : 5,155.13 = 2,162.12 : x
  2. Step 2: Convert to fraction form
    3,734.33/5,155.13 = 2,162.12/x
  3. Step 3: Cross multiply
    3,734.33x = 5,155.13 × 2,162.12
  4. Step 4: Simplify right side
    3,734.33x = 11,145,998.87
  5. Step 5: Solve for x
    x = 11,145,998.87/3,734.33
  6. Step 6: Final answer
    x = 2,984.74

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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.