Home / 1,741.78-2,402.80-1,268.94

Finding the Fourth Proportional to 1,741.78, 2,402.80 and 1,268.94

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Solution

The fourth proportional to 1,741.78, 2,402.80 and 1,268.94 is: 1,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.78 : 2,402.80 = 1,268.94 : x
  2. Step 2: Convert to fraction form
    1,741.78/2,402.80 = 1,268.94/x
  3. Step 3: Cross multiply
    1,741.78x = 2,402.80 × 1,268.94
  4. Step 4: Simplify right side
    1,741.78x = 3,049,009.03
  5. Step 5: Solve for x
    x = 3,049,009.03/1,741.78
  6. Step 6: Final answer
    x = 1,750.51

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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.