Home / 3,108.43-4,661.27-1,647.24

Finding the Fourth Proportional to 3,108.43, 4,661.27 and 1,647.24

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Solution

The fourth proportional to 3,108.43, 4,661.27 and 1,647.24 is: 2,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.43 : 4,661.27 = 1,647.24 : x
  2. Step 2: Convert to fraction form
    3,108.43/4,661.27 = 1,647.24/x
  3. Step 3: Cross multiply
    3,108.43x = 4,661.27 × 1,647.24
  4. Step 4: Simplify right side
    3,108.43x = 7,678,215.49
  5. Step 5: Solve for x
    x = 7,678,215.49/3,108.43
  6. Step 6: Final answer
    x = 2,470.13

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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.