Home / 2,867.27-3,957.46-1,819.13

Finding the Fourth Proportional to 2,867.27, 3,957.46 and 1,819.13

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Solution

The fourth proportional to 2,867.27, 3,957.46 and 1,819.13 is: 2,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.27 : 3,957.46 = 1,819.13 : x
  2. Step 2: Convert to fraction form
    2,867.27/3,957.46 = 1,819.13/x
  3. Step 3: Cross multiply
    2,867.27x = 3,957.46 × 1,819.13
  4. Step 4: Simplify right side
    2,867.27x = 7,199,109.87
  5. Step 5: Solve for x
    x = 7,199,109.87/2,867.27
  6. Step 6: Final answer
    x = 2,510.79

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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.