Home / 3,079.92-4,248.66-2,085.54

Finding the Fourth Proportional to 3,079.92, 4,248.66 and 2,085.54

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Solution

The fourth proportional to 3,079.92, 4,248.66 and 2,085.54 is: 2,876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.92 : 4,248.66 = 2,085.54 : x
  2. Step 2: Convert to fraction form
    3,079.92/4,248.66 = 2,085.54/x
  3. Step 3: Cross multiply
    3,079.92x = 4,248.66 × 2,085.54
  4. Step 4: Simplify right side
    3,079.92x = 8,860,750.38
  5. Step 5: Solve for x
    x = 8,860,750.38/3,079.92
  6. Step 6: Final answer
    x = 2,876.94

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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.