Home / 3,616.41-5,424.52-1,668.61

Finding the Fourth Proportional to 3,616.41, 5,424.52 and 1,668.61

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Solution

The fourth proportional to 3,616.41, 5,424.52 and 1,668.61 is: 2,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.41 : 5,424.52 = 1,668.61 : x
  2. Step 2: Convert to fraction form
    3,616.41/5,424.52 = 1,668.61/x
  3. Step 3: Cross multiply
    3,616.41x = 5,424.52 × 1,668.61
  4. Step 4: Simplify right side
    3,616.41x = 9,051,408.32
  5. Step 5: Solve for x
    x = 9,051,408.32/3,616.41
  6. Step 6: Final answer
    x = 2,502.87

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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.