Home / 3,110.60-4,665.74-1,162.65

Finding the Fourth Proportional to 3,110.60, 4,665.74 and 1,162.65

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Solution

The fourth proportional to 3,110.60, 4,665.74 and 1,162.65 is: 1,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.60 : 4,665.74 = 1,162.65 : x
  2. Step 2: Convert to fraction form
    3,110.60/4,665.74 = 1,162.65/x
  3. Step 3: Cross multiply
    3,110.60x = 4,665.74 × 1,162.65
  4. Step 4: Simplify right side
    3,110.60x = 5,424,593.47
  5. Step 5: Solve for x
    x = 5,424,593.47/3,110.60
  6. Step 6: Final answer
    x = 1,743.91

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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.