Home / 3,517.16-5,276.94-1,326.51

Finding the Fourth Proportional to 3,517.16, 5,276.94 and 1,326.51

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Solution

The fourth proportional to 3,517.16, 5,276.94 and 1,326.51 is: 1,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.16 : 5,276.94 = 1,326.51 : x
  2. Step 2: Convert to fraction form
    3,517.16/5,276.94 = 1,326.51/x
  3. Step 3: Cross multiply
    3,517.16x = 5,276.94 × 1,326.51
  4. Step 4: Simplify right side
    3,517.16x = 6,999,908.70
  5. Step 5: Solve for x
    x = 6,999,908.70/3,517.16
  6. Step 6: Final answer
    x = 1,990.22

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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.