Home / 2,729.88-4,091.17-1,265.81

Finding the Fourth Proportional to 2,729.88, 4,091.17 and 1,265.81

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Solution

The fourth proportional to 2,729.88, 4,091.17 and 1,265.81 is: 1,897.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.88 : 4,091.17 = 1,265.81 : x
  2. Step 2: Convert to fraction form
    2,729.88/4,091.17 = 1,265.81/x
  3. Step 3: Cross multiply
    2,729.88x = 4,091.17 × 1,265.81
  4. Step 4: Simplify right side
    2,729.88x = 5,178,617.11
  5. Step 5: Solve for x
    x = 5,178,617.11/2,729.88
  6. Step 6: Final answer
    x = 1,897.01

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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.