Home / 3,356.15-5,034.51-1,381.32

Finding the Fourth Proportional to 3,356.15, 5,034.51 and 1,381.32

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Solution

The fourth proportional to 3,356.15, 5,034.51 and 1,381.32 is: 2,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.15 : 5,034.51 = 1,381.32 : x
  2. Step 2: Convert to fraction form
    3,356.15/5,034.51 = 1,381.32/x
  3. Step 3: Cross multiply
    3,356.15x = 5,034.51 × 1,381.32
  4. Step 4: Simplify right side
    3,356.15x = 6,954,269.35
  5. Step 5: Solve for x
    x = 6,954,269.35/3,356.15
  6. Step 6: Final answer
    x = 2,072.10

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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.