Home / 2,212.58-3,053.21-1,268.36

Finding the Fourth Proportional to 2,212.58, 3,053.21 and 1,268.36

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Solution

The fourth proportional to 2,212.58, 3,053.21 and 1,268.36 is: 1,750.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.58 : 3,053.21 = 1,268.36 : x
  2. Step 2: Convert to fraction form
    2,212.58/3,053.21 = 1,268.36/x
  3. Step 3: Cross multiply
    2,212.58x = 3,053.21 × 1,268.36
  4. Step 4: Simplify right side
    2,212.58x = 3,872,554.17
  5. Step 5: Solve for x
    x = 3,872,554.17/2,212.58
  6. Step 6: Final answer
    x = 1,750.25

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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.