Home / 2,523.20-3,777.28-1,876.80

Finding the Fourth Proportional to 2,523.20, 3,777.28 and 1,876.80

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Solution

The fourth proportional to 2,523.20, 3,777.28 and 1,876.80 is: 2,809.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.20 : 3,777.28 = 1,876.80 : x
  2. Step 2: Convert to fraction form
    2,523.20/3,777.28 = 1,876.80/x
  3. Step 3: Cross multiply
    2,523.20x = 3,777.28 × 1,876.80
  4. Step 4: Simplify right side
    2,523.20x = 7,089,199.10
  5. Step 5: Solve for x
    x = 7,089,199.10/2,523.20
  6. Step 6: Final answer
    x = 2,809.61

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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.