Home / 2,729.28-4,094.73-1,269.30

Finding the Fourth Proportional to 2,729.28, 4,094.73 and 1,269.30

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Solution

The fourth proportional to 2,729.28, 4,094.73 and 1,269.30 is: 1,904.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.28 : 4,094.73 = 1,269.30 : x
  2. Step 2: Convert to fraction form
    2,729.28/4,094.73 = 1,269.30/x
  3. Step 3: Cross multiply
    2,729.28x = 4,094.73 × 1,269.30
  4. Step 4: Simplify right side
    2,729.28x = 5,197,440.79
  5. Step 5: Solve for x
    x = 5,197,440.79/2,729.28
  6. Step 6: Final answer
    x = 1,904.33

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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.