Home / 3,177.66-4,769.58-1,947.48

Finding the Fourth Proportional to 3,177.66, 4,769.58 and 1,947.48

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Solution

The fourth proportional to 3,177.66, 4,769.58 and 1,947.48 is: 2,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.66 : 4,769.58 = 1,947.48 : x
  2. Step 2: Convert to fraction form
    3,177.66/4,769.58 = 1,947.48/x
  3. Step 3: Cross multiply
    3,177.66x = 4,769.58 × 1,947.48
  4. Step 4: Simplify right side
    3,177.66x = 9,288,661.66
  5. Step 5: Solve for x
    x = 9,288,661.66/3,177.66
  6. Step 6: Final answer
    x = 2,923.11

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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.