Home / 3,617.27-5,427.14-1,668

Finding the Fourth Proportional to 3,617.27, 5,427.14 and 1,668

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Solution

The fourth proportional to 3,617.27, 5,427.14 and 1,668 is: 2,502.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.27 : 5,427.14 = 1,668 : x
  2. Step 2: Convert to fraction form
    3,617.27/5,427.14 = 1,668/x
  3. Step 3: Cross multiply
    3,617.27x = 5,427.14 × 1,668
  4. Step 4: Simplify right side
    3,617.27x = 9,052,461.18
  5. Step 5: Solve for x
    x = 9,052,461.18/3,617.27
  6. Step 6: Final answer
    x = 2,502.57

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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.