Home / 1,824.46-2,517.66-1,078.46

Finding the Fourth Proportional to 1,824.46, 2,517.66 and 1,078.46

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Solution

The fourth proportional to 1,824.46, 2,517.66 and 1,078.46 is: 1,488.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.46 : 2,517.66 = 1,078.46 : x
  2. Step 2: Convert to fraction form
    1,824.46/2,517.66 = 1,078.46/x
  3. Step 3: Cross multiply
    1,824.46x = 2,517.66 × 1,078.46
  4. Step 4: Simplify right side
    1,824.46x = 2,715,195.60
  5. Step 5: Solve for x
    x = 2,715,195.60/1,824.46
  6. Step 6: Final answer
    x = 1,488.22

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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.