Home / 3,436.35-5,157.26-1,356.88

Finding the Fourth Proportional to 3,436.35, 5,157.26 and 1,356.88

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Solution

The fourth proportional to 3,436.35, 5,157.26 and 1,356.88 is: 2,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.35 : 5,157.26 = 1,356.88 : x
  2. Step 2: Convert to fraction form
    3,436.35/5,157.26 = 1,356.88/x
  3. Step 3: Cross multiply
    3,436.35x = 5,157.26 × 1,356.88
  4. Step 4: Simplify right side
    3,436.35x = 6,997,761.62
  5. Step 5: Solve for x
    x = 6,997,761.62/3,436.35
  6. Step 6: Final answer
    x = 2,036.39

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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.