Home / 2,276.81-3,141.92-1,268.49

Finding the Fourth Proportional to 2,276.81, 3,141.92 and 1,268.49

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Solution

The fourth proportional to 2,276.81, 3,141.92 and 1,268.49 is: 1,750.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.81 : 3,141.92 = 1,268.49 : x
  2. Step 2: Convert to fraction form
    2,276.81/3,141.92 = 1,268.49/x
  3. Step 3: Cross multiply
    2,276.81x = 3,141.92 × 1,268.49
  4. Step 4: Simplify right side
    2,276.81x = 3,985,502.49
  5. Step 5: Solve for x
    x = 3,985,502.49/2,276.81
  6. Step 6: Final answer
    x = 1,750.48

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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.