Home / 3,647.03-5,470.27-1,425.44

Finding the Fourth Proportional to 3,647.03, 5,470.27 and 1,425.44

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Solution

The fourth proportional to 3,647.03, 5,470.27 and 1,425.44 is: 2,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.03 : 5,470.27 = 1,425.44 : x
  2. Step 2: Convert to fraction form
    3,647.03/5,470.27 = 1,425.44/x
  3. Step 3: Cross multiply
    3,647.03x = 5,470.27 × 1,425.44
  4. Step 4: Simplify right side
    3,647.03x = 7,797,541.67
  5. Step 5: Solve for x
    x = 7,797,541.67/3,647.03
  6. Step 6: Final answer
    x = 2,138.06

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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.