Home / 2,416.33-3,618.69-1,317.97

Finding the Fourth Proportional to 2,416.33, 3,618.69 and 1,317.97

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Solution

The fourth proportional to 2,416.33, 3,618.69 and 1,317.97 is: 1,973.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.33 : 3,618.69 = 1,317.97 : x
  2. Step 2: Convert to fraction form
    2,416.33/3,618.69 = 1,317.97/x
  3. Step 3: Cross multiply
    2,416.33x = 3,618.69 × 1,317.97
  4. Step 4: Simplify right side
    2,416.33x = 4,769,324.86
  5. Step 5: Solve for x
    x = 4,769,324.86/2,416.33
  6. Step 6: Final answer
    x = 1,973.79

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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.