Home / 2,782.28-3,836.82-2,344.76

Finding the Fourth Proportional to 2,782.28, 3,836.82 and 2,344.76

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Solution

The fourth proportional to 2,782.28, 3,836.82 and 2,344.76 is: 3,233.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.28 : 3,836.82 = 2,344.76 : x
  2. Step 2: Convert to fraction form
    2,782.28/3,836.82 = 2,344.76/x
  3. Step 3: Cross multiply
    2,782.28x = 3,836.82 × 2,344.76
  4. Step 4: Simplify right side
    2,782.28x = 8,996,422.06
  5. Step 5: Solve for x
    x = 8,996,422.06/2,782.28
  6. Step 6: Final answer
    x = 3,233.47

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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.