Home / 2,268.63-3,130.79-1,273.91

Finding the Fourth Proportional to 2,268.63, 3,130.79 and 1,273.91

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Solution

The fourth proportional to 2,268.63, 3,130.79 and 1,273.91 is: 1,758.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.63 : 3,130.79 = 1,273.91 : x
  2. Step 2: Convert to fraction form
    2,268.63/3,130.79 = 1,273.91/x
  3. Step 3: Cross multiply
    2,268.63x = 3,130.79 × 1,273.91
  4. Step 4: Simplify right side
    2,268.63x = 3,988,322.67
  5. Step 5: Solve for x
    x = 3,988,322.67/2,268.63
  6. Step 6: Final answer
    x = 1,758.03

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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.