Home / 2,204.66-3,042.53-1,209.98

Finding the Fourth Proportional to 2,204.66, 3,042.53 and 1,209.98

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Solution

The fourth proportional to 2,204.66, 3,042.53 and 1,209.98 is: 1,669.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.66 : 3,042.53 = 1,209.98 : x
  2. Step 2: Convert to fraction form
    2,204.66/3,042.53 = 1,209.98/x
  3. Step 3: Cross multiply
    2,204.66x = 3,042.53 × 1,209.98
  4. Step 4: Simplify right side
    2,204.66x = 3,681,379.19
  5. Step 5: Solve for x
    x = 3,681,379.19/2,204.66
  6. Step 6: Final answer
    x = 1,669.82

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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.