Home / 3,728.44-5,589.30-1,418.28

Finding the Fourth Proportional to 3,728.44, 5,589.30 and 1,418.28

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Solution

The fourth proportional to 3,728.44, 5,589.30 and 1,418.28 is: 2,126.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.44 : 5,589.30 = 1,418.28 : x
  2. Step 2: Convert to fraction form
    3,728.44/5,589.30 = 1,418.28/x
  3. Step 3: Cross multiply
    3,728.44x = 5,589.30 × 1,418.28
  4. Step 4: Simplify right side
    3,728.44x = 7,927,192.40
  5. Step 5: Solve for x
    x = 7,927,192.40/3,728.44
  6. Step 6: Final answer
    x = 2,126.14

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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.