Home / 3,179.12-4,769.89-1,535.52

Finding the Fourth Proportional to 3,179.12, 4,769.89 and 1,535.52

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Solution

The fourth proportional to 3,179.12, 4,769.89 and 1,535.52 is: 2,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.12 : 4,769.89 = 1,535.52 : x
  2. Step 2: Convert to fraction form
    3,179.12/4,769.89 = 1,535.52/x
  3. Step 3: Cross multiply
    3,179.12x = 4,769.89 × 1,535.52
  4. Step 4: Simplify right side
    3,179.12x = 7,324,275.54
  5. Step 5: Solve for x
    x = 7,324,275.54/3,179.12
  6. Step 6: Final answer
    x = 2,303.87

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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.