Home / 3,680.86-5,079.57-2,043.73

Finding the Fourth Proportional to 3,680.86, 5,079.57 and 2,043.73

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Solution

The fourth proportional to 3,680.86, 5,079.57 and 2,043.73 is: 2,820.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.86 : 5,079.57 = 2,043.73 : x
  2. Step 2: Convert to fraction form
    3,680.86/5,079.57 = 2,043.73/x
  3. Step 3: Cross multiply
    3,680.86x = 5,079.57 × 2,043.73
  4. Step 4: Simplify right side
    3,680.86x = 10,381,269.60
  5. Step 5: Solve for x
    x = 10,381,269.60/3,680.86
  6. Step 6: Final answer
    x = 2,820.34

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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.