Home / 2,285.88-3,428.22-824.76

Finding the Fourth Proportional to 2,285.88, 3,428.22 and 824.76

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Solution

The fourth proportional to 2,285.88, 3,428.22 and 824.76 is: 1,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.88 : 3,428.22 = 824.76 : x
  2. Step 2: Convert to fraction form
    2,285.88/3,428.22 = 824.76/x
  3. Step 3: Cross multiply
    2,285.88x = 3,428.22 × 824.76
  4. Step 4: Simplify right side
    2,285.88x = 2,827,458.73
  5. Step 5: Solve for x
    x = 2,827,458.73/2,285.88
  6. Step 6: Final answer
    x = 1,236.92

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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.