Home / 2,206.74-3,045.33-1,212.01

Finding the Fourth Proportional to 2,206.74, 3,045.33 and 1,212.01

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Solution

The fourth proportional to 2,206.74, 3,045.33 and 1,212.01 is: 1,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.74 : 3,045.33 = 1,212.01 : x
  2. Step 2: Convert to fraction form
    2,206.74/3,045.33 = 1,212.01/x
  3. Step 3: Cross multiply
    2,206.74x = 3,045.33 × 1,212.01
  4. Step 4: Simplify right side
    2,206.74x = 3,690,979.93
  5. Step 5: Solve for x
    x = 3,690,979.93/2,206.74
  6. Step 6: Final answer
    x = 1,672.59

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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.