Home / 1,824.39-2,517.84-1,125.75

Finding the Fourth Proportional to 1,824.39, 2,517.84 and 1,125.75

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Solution

The fourth proportional to 1,824.39, 2,517.84 and 1,125.75 is: 1,553.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.39 : 2,517.84 = 1,125.75 : x
  2. Step 2: Convert to fraction form
    1,824.39/2,517.84 = 1,125.75/x
  3. Step 3: Cross multiply
    1,824.39x = 2,517.84 × 1,125.75
  4. Step 4: Simplify right side
    1,824.39x = 2,834,458.38
  5. Step 5: Solve for x
    x = 2,834,458.38/1,824.39
  6. Step 6: Final answer
    x = 1,553.65

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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.