Home / 2,204.69-3,042.40-1,209.95

Finding the Fourth Proportional to 2,204.69, 3,042.40 and 1,209.95

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Solution

The fourth proportional to 2,204.69, 3,042.40 and 1,209.95 is: 1,669.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.69 : 3,042.40 = 1,209.95 : x
  2. Step 2: Convert to fraction form
    2,204.69/3,042.40 = 1,209.95/x
  3. Step 3: Cross multiply
    2,204.69x = 3,042.40 × 1,209.95
  4. Step 4: Simplify right side
    2,204.69x = 3,681,151.88
  5. Step 5: Solve for x
    x = 3,681,151.88/2,204.69
  6. Step 6: Final answer
    x = 1,669.69

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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.