Home / 1,729.87-2,596.13-1,268.83

Finding the Fourth Proportional to 1,729.87, 2,596.13 and 1,268.83

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Solution

The fourth proportional to 1,729.87, 2,596.13 and 1,268.83 is: 1,904.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.87 : 2,596.13 = 1,268.83 : x
  2. Step 2: Convert to fraction form
    1,729.87/2,596.13 = 1,268.83/x
  3. Step 3: Cross multiply
    1,729.87x = 2,596.13 × 1,268.83
  4. Step 4: Simplify right side
    1,729.87x = 3,294,047.63
  5. Step 5: Solve for x
    x = 3,294,047.63/1,729.87
  6. Step 6: Final answer
    x = 1,904.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.