Home / 2,769.28-4,155.06-2,032.65

Finding the Fourth Proportional to 2,769.28, 4,155.06 and 2,032.65

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Solution

The fourth proportional to 2,769.28, 4,155.06 and 2,032.65 is: 3,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.28 : 4,155.06 = 2,032.65 : x
  2. Step 2: Convert to fraction form
    2,769.28/4,155.06 = 2,032.65/x
  3. Step 3: Cross multiply
    2,769.28x = 4,155.06 × 2,032.65
  4. Step 4: Simplify right side
    2,769.28x = 8,445,782.71
  5. Step 5: Solve for x
    x = 8,445,782.71/2,769.28
  6. Step 6: Final answer
    x = 3,049.81

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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.