Home / 3,104.30-4,650.15-1,930.70

Finding the Fourth Proportional to 3,104.30, 4,650.15 and 1,930.70

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Solution

The fourth proportional to 3,104.30, 4,650.15 and 1,930.70 is: 2,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.30 : 4,650.15 = 1,930.70 : x
  2. Step 2: Convert to fraction form
    3,104.30/4,650.15 = 1,930.70/x
  3. Step 3: Cross multiply
    3,104.30x = 4,650.15 × 1,930.70
  4. Step 4: Simplify right side
    3,104.30x = 8,978,044.61
  5. Step 5: Solve for x
    x = 8,978,044.61/3,104.30
  6. Step 6: Final answer
    x = 2,892.13

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1.5x scale

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.