Home / 2,212.64-3,053.36-1,268.16

Finding the Fourth Proportional to 2,212.64, 3,053.36 and 1,268.16

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Solution

The fourth proportional to 2,212.64, 3,053.36 and 1,268.16 is: 1,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.64 : 3,053.36 = 1,268.16 : x
  2. Step 2: Convert to fraction form
    2,212.64/3,053.36 = 1,268.16/x
  3. Step 3: Cross multiply
    2,212.64x = 3,053.36 × 1,268.16
  4. Step 4: Simplify right side
    2,212.64x = 3,872,149.02
  5. Step 5: Solve for x
    x = 3,872,149.02/2,212.64
  6. Step 6: Final answer
    x = 1,750.01

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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.