Home / 2,212.49-3,053.22-1,204.19

Finding the Fourth Proportional to 2,212.49, 3,053.22 and 1,204.19

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Solution

The fourth proportional to 2,212.49, 3,053.22 and 1,204.19 is: 1,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.49 : 3,053.22 = 1,204.19 : x
  2. Step 2: Convert to fraction form
    2,212.49/3,053.22 = 1,204.19/x
  3. Step 3: Cross multiply
    2,212.49x = 3,053.22 × 1,204.19
  4. Step 4: Simplify right side
    2,212.49x = 3,676,641.73
  5. Step 5: Solve for x
    x = 3,676,641.73/2,212.49
  6. Step 6: Final answer
    x = 1,661.77

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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.