Home / 2,518.16-3,777.20-2,144.48

Finding the Fourth Proportional to 2,518.16, 3,777.20 and 2,144.48

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Solution

The fourth proportional to 2,518.16, 3,777.20 and 2,144.48 is: 3,216.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.16 : 3,777.20 = 2,144.48 : x
  2. Step 2: Convert to fraction form
    2,518.16/3,777.20 = 2,144.48/x
  3. Step 3: Cross multiply
    2,518.16x = 3,777.20 × 2,144.48
  4. Step 4: Simplify right side
    2,518.16x = 8,100,100.25
  5. Step 5: Solve for x
    x = 8,100,100.25/2,518.16
  6. Step 6: Final answer
    x = 3,216.68

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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.