Home / 3,125.30-4,314.18-2,049.08

Finding the Fourth Proportional to 3,125.30, 4,314.18 and 2,049.08

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Solution

The fourth proportional to 3,125.30, 4,314.18 and 2,049.08 is: 2,828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.30 : 4,314.18 = 2,049.08 : x
  2. Step 2: Convert to fraction form
    3,125.30/4,314.18 = 2,049.08/x
  3. Step 3: Cross multiply
    3,125.30x = 4,314.18 × 2,049.08
  4. Step 4: Simplify right side
    3,125.30x = 8,840,099.95
  5. Step 5: Solve for x
    x = 8,840,099.95/3,125.30
  6. Step 6: Final answer
    x = 2,828.56

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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.