Home / 3,721.80-5,582.70-2,480.48

Finding the Fourth Proportional to 3,721.80, 5,582.70 and 2,480.48

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Solution

The fourth proportional to 3,721.80, 5,582.70 and 2,480.48 is: 3,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.80 : 5,582.70 = 2,480.48 : x
  2. Step 2: Convert to fraction form
    3,721.80/5,582.70 = 2,480.48/x
  3. Step 3: Cross multiply
    3,721.80x = 5,582.70 × 2,480.48
  4. Step 4: Simplify right side
    3,721.80x = 13,847,747.78
  5. Step 5: Solve for x
    x = 13,847,747.78/3,721.80
  6. Step 6: Final answer
    x = 3,720.71

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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.