Home / 3,708.25-5,117.31-2,216.50

Finding the Fourth Proportional to 3,708.25, 5,117.31 and 2,216.50

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Solution

The fourth proportional to 3,708.25, 5,117.31 and 2,216.50 is: 3,058.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.25 : 5,117.31 = 2,216.50 : x
  2. Step 2: Convert to fraction form
    3,708.25/5,117.31 = 2,216.50/x
  3. Step 3: Cross multiply
    3,708.25x = 5,117.31 × 2,216.50
  4. Step 4: Simplify right side
    3,708.25x = 11,342,517.62
  5. Step 5: Solve for x
    x = 11,342,517.62/3,708.25
  6. Step 6: Final answer
    x = 3,058.73

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1.5x scale

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.