Home / 2,773.61-3,824.66-2,144.24

Finding the Fourth Proportional to 2,773.61, 3,824.66 and 2,144.24

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Solution

The fourth proportional to 2,773.61, 3,824.66 and 2,144.24 is: 2,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.61 : 3,824.66 = 2,144.24 : x
  2. Step 2: Convert to fraction form
    2,773.61/3,824.66 = 2,144.24/x
  3. Step 3: Cross multiply
    2,773.61x = 3,824.66 × 2,144.24
  4. Step 4: Simplify right side
    2,773.61x = 8,200,988.96
  5. Step 5: Solve for x
    x = 8,200,988.96/2,773.61
  6. Step 6: Final answer
    x = 2,956.79

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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.