Home / 2,065.74-2,849.43-1,268.64

Finding the Fourth Proportional to 2,065.74, 2,849.43 and 1,268.64

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Solution

The fourth proportional to 2,065.74, 2,849.43 and 1,268.64 is: 1,749.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.74 : 2,849.43 = 1,268.64 : x
  2. Step 2: Convert to fraction form
    2,065.74/2,849.43 = 1,268.64/x
  3. Step 3: Cross multiply
    2,065.74x = 2,849.43 × 1,268.64
  4. Step 4: Simplify right side
    2,065.74x = 3,614,900.88
  5. Step 5: Solve for x
    x = 3,614,900.88/2,065.74
  6. Step 6: Final answer
    x = 1,749.93

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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.