Home / 2,977.26-4,439.66-2,769.48

Finding the Fourth Proportional to 2,977.26, 4,439.66 and 2,769.48

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Solution

The fourth proportional to 2,977.26, 4,439.66 and 2,769.48 is: 4,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.26 : 4,439.66 = 2,769.48 : x
  2. Step 2: Convert to fraction form
    2,977.26/4,439.66 = 2,769.48/x
  3. Step 3: Cross multiply
    2,977.26x = 4,439.66 × 2,769.48
  4. Step 4: Simplify right side
    2,977.26x = 12,295,535.73
  5. Step 5: Solve for x
    x = 12,295,535.73/2,977.26
  6. Step 6: Final answer
    x = 4,129.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.