Home / 2,212.74-3,053.43-1,304.55

Finding the Fourth Proportional to 2,212.74, 3,053.43 and 1,304.55

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Solution

The fourth proportional to 2,212.74, 3,053.43 and 1,304.55 is: 1,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.74 : 3,053.43 = 1,304.55 : x
  2. Step 2: Convert to fraction form
    2,212.74/3,053.43 = 1,304.55/x
  3. Step 3: Cross multiply
    2,212.74x = 3,053.43 × 1,304.55
  4. Step 4: Simplify right side
    2,212.74x = 3,983,352.11
  5. Step 5: Solve for x
    x = 3,983,352.11/2,212.74
  6. Step 6: Final answer
    x = 1,800.19

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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.