Home / 3,982.86-5,495.51-2,410.65

Finding the Fourth Proportional to 3,982.86, 5,495.51 and 2,410.65

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Solution

The fourth proportional to 3,982.86, 5,495.51 and 2,410.65 is: 3,326.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.86 : 5,495.51 = 2,410.65 : x
  2. Step 2: Convert to fraction form
    3,982.86/5,495.51 = 2,410.65/x
  3. Step 3: Cross multiply
    3,982.86x = 5,495.51 × 2,410.65
  4. Step 4: Simplify right side
    3,982.86x = 13,247,757.21
  5. Step 5: Solve for x
    x = 13,247,757.21/3,982.86
  6. Step 6: Final answer
    x = 3,326.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.