Home / 2,785.92-4,162.54-2,689.04

Finding the Fourth Proportional to 2,785.92, 4,162.54 and 2,689.04

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Solution

The fourth proportional to 2,785.92, 4,162.54 and 2,689.04 is: 4,017.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.92 : 4,162.54 = 2,689.04 : x
  2. Step 2: Convert to fraction form
    2,785.92/4,162.54 = 2,689.04/x
  3. Step 3: Cross multiply
    2,785.92x = 4,162.54 × 2,689.04
  4. Step 4: Simplify right side
    2,785.92x = 11,193,236.56
  5. Step 5: Solve for x
    x = 11,193,236.56/2,785.92
  6. Step 6: Final answer
    x = 4,017.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.