Home / 3,125.30-4,690.11-1,179.14

Finding the Fourth Proportional to 3,125.30, 4,690.11 and 1,179.14

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Solution

The fourth proportional to 3,125.30, 4,690.11 and 1,179.14 is: 1,769.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.30 : 4,690.11 = 1,179.14 : x
  2. Step 2: Convert to fraction form
    3,125.30/4,690.11 = 1,179.14/x
  3. Step 3: Cross multiply
    3,125.30x = 4,690.11 × 1,179.14
  4. Step 4: Simplify right side
    3,125.30x = 5,530,296.31
  5. Step 5: Solve for x
    x = 5,530,296.31/3,125.30
  6. Step 6: Final answer
    x = 1,769.52

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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.