Home / 2,769.54-4,148.91-1,306.68

Finding the Fourth Proportional to 2,769.54, 4,148.91 and 1,306.68

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Solution

The fourth proportional to 2,769.54, 4,148.91 and 1,306.68 is: 1,957.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.54 : 4,148.91 = 1,306.68 : x
  2. Step 2: Convert to fraction form
    2,769.54/4,148.91 = 1,306.68/x
  3. Step 3: Cross multiply
    2,769.54x = 4,148.91 × 1,306.68
  4. Step 4: Simplify right side
    2,769.54x = 5,421,297.72
  5. Step 5: Solve for x
    x = 5,421,297.72/2,769.54
  6. Step 6: Final answer
    x = 1,957.47

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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.