Home / 2,162.12-3,244.24-1,340.18

Finding the Fourth Proportional to 2,162.12, 3,244.24 and 1,340.18

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Solution

The fourth proportional to 2,162.12, 3,244.24 and 1,340.18 is: 2,010.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.12 : 3,244.24 = 1,340.18 : x
  2. Step 2: Convert to fraction form
    2,162.12/3,244.24 = 1,340.18/x
  3. Step 3: Cross multiply
    2,162.12x = 3,244.24 × 1,340.18
  4. Step 4: Simplify right side
    2,162.12x = 4,347,849.34
  5. Step 5: Solve for x
    x = 4,347,849.34/2,162.12
  6. Step 6: Final answer
    x = 2,010.92

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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.