Home / 2,206.86-3,045.38-1,212.14

Finding the Fourth Proportional to 2,206.86, 3,045.38 and 1,212.14

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Solution

The fourth proportional to 2,206.86, 3,045.38 and 1,212.14 is: 1,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.86 : 3,045.38 = 1,212.14 : x
  2. Step 2: Convert to fraction form
    2,206.86/3,045.38 = 1,212.14/x
  3. Step 3: Cross multiply
    2,206.86x = 3,045.38 × 1,212.14
  4. Step 4: Simplify right side
    2,206.86x = 3,691,426.91
  5. Step 5: Solve for x
    x = 3,691,426.91/2,206.86
  6. Step 6: Final answer
    x = 1,672.71

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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.