Home / 3,728.08-5,589.96-1,262.08

Finding the Fourth Proportional to 3,728.08, 5,589.96 and 1,262.08

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Solution

The fourth proportional to 3,728.08, 5,589.96 and 1,262.08 is: 1,892.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.08 : 5,589.96 = 1,262.08 : x
  2. Step 2: Convert to fraction form
    3,728.08/5,589.96 = 1,262.08/x
  3. Step 3: Cross multiply
    3,728.08x = 5,589.96 × 1,262.08
  4. Step 4: Simplify right side
    3,728.08x = 7,054,976.72
  5. Step 5: Solve for x
    x = 7,054,976.72/3,728.08
  6. Step 6: Final answer
    x = 1,892.39

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1.5x scale

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.