Home / 2,524.20-3,778.78-1,877.80

Finding the Fourth Proportional to 2,524.20, 3,778.78 and 1,877.80

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Solution

The fourth proportional to 2,524.20, 3,778.78 and 1,877.80 is: 2,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,524.20 : 3,778.78 = 1,877.80 : x
  2. Step 2: Convert to fraction form
    2,524.20/3,778.78 = 1,877.80/x
  3. Step 3: Cross multiply
    2,524.20x = 3,778.78 × 1,877.80
  4. Step 4: Simplify right side
    2,524.20x = 7,095,793.08
  5. Step 5: Solve for x
    x = 7,095,793.08/2,524.20
  6. Step 6: Final answer
    x = 2,811.11

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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.