Home / 1,824.62-2,517.36-1,078.34

Finding the Fourth Proportional to 1,824.62, 2,517.36 and 1,078.34

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Solution

The fourth proportional to 1,824.62, 2,517.36 and 1,078.34 is: 1,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.62 : 2,517.36 = 1,078.34 : x
  2. Step 2: Convert to fraction form
    1,824.62/2,517.36 = 1,078.34/x
  3. Step 3: Cross multiply
    1,824.62x = 2,517.36 × 1,078.34
  4. Step 4: Simplify right side
    1,824.62x = 2,714,569.98
  5. Step 5: Solve for x
    x = 2,714,569.98/1,824.62
  6. Step 6: Final answer
    x = 1,487.75

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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.