Home / 2,218.51-3,326.77-1,294.71

Finding the Fourth Proportional to 2,218.51, 3,326.77 and 1,294.71

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Solution

The fourth proportional to 2,218.51, 3,326.77 and 1,294.71 is: 1,941.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.51 : 3,326.77 = 1,294.71 : x
  2. Step 2: Convert to fraction form
    2,218.51/3,326.77 = 1,294.71/x
  3. Step 3: Cross multiply
    2,218.51x = 3,326.77 × 1,294.71
  4. Step 4: Simplify right side
    2,218.51x = 4,307,202.39
  5. Step 5: Solve for x
    x = 4,307,202.39/2,218.51
  6. Step 6: Final answer
    x = 1,941.48

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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.