Home / 3,721.18-5,134.18-2,395.65

Finding the Fourth Proportional to 3,721.18, 5,134.18 and 2,395.65

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Solution

The fourth proportional to 3,721.18, 5,134.18 and 2,395.65 is: 3,305.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.18 : 5,134.18 = 2,395.65 : x
  2. Step 2: Convert to fraction form
    3,721.18/5,134.18 = 2,395.65/x
  3. Step 3: Cross multiply
    3,721.18x = 5,134.18 × 2,395.65
  4. Step 4: Simplify right side
    3,721.18x = 12,299,716.07
  5. Step 5: Solve for x
    x = 12,299,716.07/3,721.18
  6. Step 6: Final answer
    x = 3,305.32

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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.