Home / 3,436.11-5,154.71-1,356.12

Finding the Fourth Proportional to 3,436.11, 5,154.71 and 1,356.12

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Solution

The fourth proportional to 3,436.11, 5,154.71 and 1,356.12 is: 2,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.11 : 5,154.71 = 1,356.12 : x
  2. Step 2: Convert to fraction form
    3,436.11/5,154.71 = 1,356.12/x
  3. Step 3: Cross multiply
    3,436.11x = 5,154.71 × 1,356.12
  4. Step 4: Simplify right side
    3,436.11x = 6,990,398.54
  5. Step 5: Solve for x
    x = 6,990,398.54/3,436.11
  6. Step 6: Final answer
    x = 2,034.39

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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.