Home / 3,734.31-5,151.92-2,162.19

Finding the Fourth Proportional to 3,734.31, 5,151.92 and 2,162.19

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Solution

The fourth proportional to 3,734.31, 5,151.92 and 2,162.19 is: 2,982.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.31 : 5,151.92 = 2,162.19 : x
  2. Step 2: Convert to fraction form
    3,734.31/5,151.92 = 2,162.19/x
  3. Step 3: Cross multiply
    3,734.31x = 5,151.92 × 2,162.19
  4. Step 4: Simplify right side
    3,734.31x = 11,139,419.09
  5. Step 5: Solve for x
    x = 11,139,419.09/3,734.31
  6. Step 6: Final answer
    x = 2,982.99

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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.