Home / 2,806.92-4,215.09-2,695.18

Finding the Fourth Proportional to 2,806.92, 4,215.09 and 2,695.18

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Solution

The fourth proportional to 2,806.92, 4,215.09 and 2,695.18 is: 4,047.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.92 : 4,215.09 = 2,695.18 : x
  2. Step 2: Convert to fraction form
    2,806.92/4,215.09 = 2,695.18/x
  3. Step 3: Cross multiply
    2,806.92x = 4,215.09 × 2,695.18
  4. Step 4: Simplify right side
    2,806.92x = 11,360,426.27
  5. Step 5: Solve for x
    x = 11,360,426.27/2,806.92
  6. Step 6: Final answer
    x = 4,047.29

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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.