Home / 2,515.68-3,469.50-2,049.12

Finding the Fourth Proportional to 2,515.68, 3,469.50 and 2,049.12

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Solution

The fourth proportional to 2,515.68, 3,469.50 and 2,049.12 is: 2,826.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.68 : 3,469.50 = 2,049.12 : x
  2. Step 2: Convert to fraction form
    2,515.68/3,469.50 = 2,049.12/x
  3. Step 3: Cross multiply
    2,515.68x = 3,469.50 × 2,049.12
  4. Step 4: Simplify right side
    2,515.68x = 7,109,421.84
  5. Step 5: Solve for x
    x = 7,109,421.84/2,515.68
  6. Step 6: Final answer
    x = 2,826.04

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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.