Home / 3,385.80-4,671.18-2,677.86

Finding the Fourth Proportional to 3,385.80, 4,671.18 and 2,677.86

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Solution

The fourth proportional to 3,385.80, 4,671.18 and 2,677.86 is: 3,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.80 : 4,671.18 = 2,677.86 : x
  2. Step 2: Convert to fraction form
    3,385.80/4,671.18 = 2,677.86/x
  3. Step 3: Cross multiply
    3,385.80x = 4,671.18 × 2,677.86
  4. Step 4: Simplify right side
    3,385.80x = 12,508,766.07
  5. Step 5: Solve for x
    x = 12,508,766.07/3,385.80
  6. Step 6: Final answer
    x = 3,694.48

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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.