Home / 1,729.81-2,596.03-1,268.76

Finding the Fourth Proportional to 1,729.81, 2,596.03 and 1,268.76

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Solution

The fourth proportional to 1,729.81, 2,596.03 and 1,268.76 is: 1,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.81 : 2,596.03 = 1,268.76 : x
  2. Step 2: Convert to fraction form
    1,729.81/2,596.03 = 1,268.76/x
  3. Step 3: Cross multiply
    1,729.81x = 2,596.03 × 1,268.76
  4. Step 4: Simplify right side
    1,729.81x = 3,293,739.02
  5. Step 5: Solve for x
    x = 3,293,739.02/1,729.81
  6. Step 6: Final answer
    x = 1,904.10

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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.