Home / 2,268.57-3,130.68-1,273.93

Finding the Fourth Proportional to 2,268.57, 3,130.68 and 1,273.93

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Solution

The fourth proportional to 2,268.57, 3,130.68 and 1,273.93 is: 1,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.57 : 3,130.68 = 1,273.93 : x
  2. Step 2: Convert to fraction form
    2,268.57/3,130.68 = 1,273.93/x
  3. Step 3: Cross multiply
    2,268.57x = 3,130.68 × 1,273.93
  4. Step 4: Simplify right side
    2,268.57x = 3,988,267.17
  5. Step 5: Solve for x
    x = 3,988,267.17/2,268.57
  6. Step 6: Final answer
    x = 1,758.05

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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.