Home / 2,204.61-3,042.41-1,209.88

Finding the Fourth Proportional to 2,204.61, 3,042.41 and 1,209.88

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Solution

The fourth proportional to 2,204.61, 3,042.41 and 1,209.88 is: 1,669.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.61 : 3,042.41 = 1,209.88 : x
  2. Step 2: Convert to fraction form
    2,204.61/3,042.41 = 1,209.88/x
  3. Step 3: Cross multiply
    2,204.61x = 3,042.41 × 1,209.88
  4. Step 4: Simplify right side
    2,204.61x = 3,680,948.76
  5. Step 5: Solve for x
    x = 3,680,948.76/2,204.61
  6. Step 6: Final answer
    x = 1,669.66

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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.