Home / 3,486.38-5,231.36-2,317.19

Finding the Fourth Proportional to 3,486.38, 5,231.36 and 2,317.19

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Solution

The fourth proportional to 3,486.38, 5,231.36 and 2,317.19 is: 3,476.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.38 : 5,231.36 = 2,317.19 : x
  2. Step 2: Convert to fraction form
    3,486.38/5,231.36 = 2,317.19/x
  3. Step 3: Cross multiply
    3,486.38x = 5,231.36 × 2,317.19
  4. Step 4: Simplify right side
    3,486.38x = 12,122,055.08
  5. Step 5: Solve for x
    x = 12,122,055.08/3,486.38
  6. Step 6: Final answer
    x = 3,476.97

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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.