Home / 3,418.19-5,126.47-1,568.15

Finding the Fourth Proportional to 3,418.19, 5,126.47 and 1,568.15

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Solution

The fourth proportional to 3,418.19, 5,126.47 and 1,568.15 is: 2,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.19 : 5,126.47 = 1,568.15 : x
  2. Step 2: Convert to fraction form
    3,418.19/5,126.47 = 1,568.15/x
  3. Step 3: Cross multiply
    3,418.19x = 5,126.47 × 1,568.15
  4. Step 4: Simplify right side
    3,418.19x = 8,039,073.93
  5. Step 5: Solve for x
    x = 8,039,073.93/3,418.19
  6. Step 6: Final answer
    x = 2,351.85

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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.