Home / 3,705.80-5,550.60-2,604.20

Finding the Fourth Proportional to 3,705.80, 5,550.60 and 2,604.20

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Solution

The fourth proportional to 3,705.80, 5,550.60 and 2,604.20 is: 3,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.80 : 5,550.60 = 2,604.20 : x
  2. Step 2: Convert to fraction form
    3,705.80/5,550.60 = 2,604.20/x
  3. Step 3: Cross multiply
    3,705.80x = 5,550.60 × 2,604.20
  4. Step 4: Simplify right side
    3,705.80x = 14,454,872.52
  5. Step 5: Solve for x
    x = 14,454,872.52/3,705.80
  6. Step 6: Final answer
    x = 3,900.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.