Home / 1,824.40-2,517.68-1,038.44

Finding the Fourth Proportional to 1,824.40, 2,517.68 and 1,038.44

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Solution

The fourth proportional to 1,824.40, 2,517.68 and 1,038.44 is: 1,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.40 : 2,517.68 = 1,038.44 : x
  2. Step 2: Convert to fraction form
    1,824.40/2,517.68 = 1,038.44/x
  3. Step 3: Cross multiply
    1,824.40x = 2,517.68 × 1,038.44
  4. Step 4: Simplify right side
    1,824.40x = 2,614,459.62
  5. Step 5: Solve for x
    x = 2,614,459.62/1,824.40
  6. Step 6: Final answer
    x = 1,433.05

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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.