Home / 3,356.08-5,034.32-890.96

Finding the Fourth Proportional to 3,356.08, 5,034.32 and 890.96

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Solution

The fourth proportional to 3,356.08, 5,034.32 and 890.96 is: 1,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.08 : 5,034.32 = 890.96 : x
  2. Step 2: Convert to fraction form
    3,356.08/5,034.32 = 890.96/x
  3. Step 3: Cross multiply
    3,356.08x = 5,034.32 × 890.96
  4. Step 4: Simplify right side
    3,356.08x = 4,485,377.75
  5. Step 5: Solve for x
    x = 4,485,377.75/3,356.08
  6. Step 6: Final answer
    x = 1,336.49

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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.