Home / 3,492.30-4,819.46-1,920.43

Finding the Fourth Proportional to 3,492.30, 4,819.46 and 1,920.43

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Solution

The fourth proportional to 3,492.30, 4,819.46 and 1,920.43 is: 2,650.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.30 : 4,819.46 = 1,920.43 : x
  2. Step 2: Convert to fraction form
    3,492.30/4,819.46 = 1,920.43/x
  3. Step 3: Cross multiply
    3,492.30x = 4,819.46 × 1,920.43
  4. Step 4: Simplify right side
    3,492.30x = 9,255,435.57
  5. Step 5: Solve for x
    x = 9,255,435.57/3,492.30
  6. Step 6: Final answer
    x = 2,650.24

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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.