Home / 2,328.12-3,492.72-1,028.88

Finding the Fourth Proportional to 2,328.12, 3,492.72 and 1,028.88

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Solution

The fourth proportional to 2,328.12, 3,492.72 and 1,028.88 is: 1,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.12 : 3,492.72 = 1,028.88 : x
  2. Step 2: Convert to fraction form
    2,328.12/3,492.72 = 1,028.88/x
  3. Step 3: Cross multiply
    2,328.12x = 3,492.72 × 1,028.88
  4. Step 4: Simplify right side
    2,328.12x = 3,593,589.75
  5. Step 5: Solve for x
    x = 3,593,589.75/2,328.12
  6. Step 6: Final answer
    x = 1,543.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.