Home / 2,729.93-4,091.70-1,265.99

Finding the Fourth Proportional to 2,729.93, 4,091.70 and 1,265.99

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Solution

The fourth proportional to 2,729.93, 4,091.70 and 1,265.99 is: 1,897.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.93 : 4,091.70 = 1,265.99 : x
  2. Step 2: Convert to fraction form
    2,729.93/4,091.70 = 1,265.99/x
  3. Step 3: Cross multiply
    2,729.93x = 4,091.70 × 1,265.99
  4. Step 4: Simplify right side
    2,729.93x = 5,180,051.28
  5. Step 5: Solve for x
    x = 5,180,051.28/2,729.93
  6. Step 6: Final answer
    x = 1,897.50

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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.