Home / 3,854.27-5,316.36-2,721.60

Finding the Fourth Proportional to 3,854.27, 5,316.36 and 2,721.60

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Solution

The fourth proportional to 3,854.27, 5,316.36 and 2,721.60 is: 3,754.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.27 : 5,316.36 = 2,721.60 : x
  2. Step 2: Convert to fraction form
    3,854.27/5,316.36 = 2,721.60/x
  3. Step 3: Cross multiply
    3,854.27x = 5,316.36 × 2,721.60
  4. Step 4: Simplify right side
    3,854.27x = 14,468,995.65
  5. Step 5: Solve for x
    x = 14,468,995.65/3,854.27
  6. Step 6: Final answer
    x = 3,754.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.