Home / 2,206.68-3,045.25-1,212.00

Finding the Fourth Proportional to 2,206.68, 3,045.25 and 1,212.00

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Solution

The fourth proportional to 2,206.68, 3,045.25 and 1,212.00 is: 1,672.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.68 : 3,045.25 = 1,212.00 : x
  2. Step 2: Convert to fraction form
    2,206.68/3,045.25 = 1,212.00/x
  3. Step 3: Cross multiply
    2,206.68x = 3,045.25 × 1,212.00
  4. Step 4: Simplify right side
    2,206.68x = 3,690,833.10
  5. Step 5: Solve for x
    x = 3,690,833.10/2,206.68
  6. Step 6: Final answer
    x = 1,672.58

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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.