Home / 2,204.55-3,042.32-1,209.92

Finding the Fourth Proportional to 2,204.55, 3,042.32 and 1,209.92

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Solution

The fourth proportional to 2,204.55, 3,042.32 and 1,209.92 is: 1,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.55 : 3,042.32 = 1,209.92 : x
  2. Step 2: Convert to fraction form
    2,204.55/3,042.32 = 1,209.92/x
  3. Step 3: Cross multiply
    2,204.55x = 3,042.32 × 1,209.92
  4. Step 4: Simplify right side
    2,204.55x = 3,680,981.01
  5. Step 5: Solve for x
    x = 3,680,981.01/2,204.55
  6. Step 6: Final answer
    x = 1,669.72

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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.