Home / 2,268.39-3,130.70-1,273.91

Finding the Fourth Proportional to 2,268.39, 3,130.70 and 1,273.91

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Solution

The fourth proportional to 2,268.39, 3,130.70 and 1,273.91 is: 1,758.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.39 : 3,130.70 = 1,273.91 : x
  2. Step 2: Convert to fraction form
    2,268.39/3,130.70 = 1,273.91/x
  3. Step 3: Cross multiply
    2,268.39x = 3,130.70 × 1,273.91
  4. Step 4: Simplify right side
    2,268.39x = 3,988,208.01
  5. Step 5: Solve for x
    x = 3,988,208.01/2,268.39
  6. Step 6: Final answer
    x = 1,758.17

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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.