Home / 3,742.33-5,166.17-2,170.12

Finding the Fourth Proportional to 3,742.33, 5,166.17 and 2,170.12

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Solution

The fourth proportional to 3,742.33, 5,166.17 and 2,170.12 is: 2,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.33 : 5,166.17 = 2,170.12 : x
  2. Step 2: Convert to fraction form
    3,742.33/5,166.17 = 2,170.12/x
  3. Step 3: Cross multiply
    3,742.33x = 5,166.17 × 2,170.12
  4. Step 4: Simplify right side
    3,742.33x = 11,211,208.84
  5. Step 5: Solve for x
    x = 11,211,208.84/3,742.33
  6. Step 6: Final answer
    x = 2,995.78

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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.