Home / 1,824.28-2,517.42-1,038.28

Finding the Fourth Proportional to 1,824.28, 2,517.42 and 1,038.28

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Solution

The fourth proportional to 1,824.28, 2,517.42 and 1,038.28 is: 1,432.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.28 : 2,517.42 = 1,038.28 : x
  2. Step 2: Convert to fraction form
    1,824.28/2,517.42 = 1,038.28/x
  3. Step 3: Cross multiply
    1,824.28x = 2,517.42 × 1,038.28
  4. Step 4: Simplify right side
    1,824.28x = 2,613,786.84
  5. Step 5: Solve for x
    x = 2,613,786.84/1,824.28
  6. Step 6: Final answer
    x = 1,432.78

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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.