Home / 2,769.01-4,148.89-1,945.81

Finding the Fourth Proportional to 2,769.01, 4,148.89 and 1,945.81

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Solution

The fourth proportional to 2,769.01, 4,148.89 and 1,945.81 is: 2,915.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.01 : 4,148.89 = 1,945.81 : x
  2. Step 2: Convert to fraction form
    2,769.01/4,148.89 = 1,945.81/x
  3. Step 3: Cross multiply
    2,769.01x = 4,148.89 × 1,945.81
  4. Step 4: Simplify right side
    2,769.01x = 8,072,951.65
  5. Step 5: Solve for x
    x = 8,072,951.65/2,769.01
  6. Step 6: Final answer
    x = 2,915.46

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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.