Home / 3,480.50-4,805.61-2,240.66

Finding the Fourth Proportional to 3,480.50, 4,805.61 and 2,240.66

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Solution

The fourth proportional to 3,480.50, 4,805.61 and 2,240.66 is: 3,093.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.50 : 4,805.61 = 2,240.66 : x
  2. Step 2: Convert to fraction form
    3,480.50/4,805.61 = 2,240.66/x
  3. Step 3: Cross multiply
    3,480.50x = 4,805.61 × 2,240.66
  4. Step 4: Simplify right side
    3,480.50x = 10,767,738.10
  5. Step 5: Solve for x
    x = 10,767,738.10/3,480.50
  6. Step 6: Final answer
    x = 3,093.73

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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.