Home / 2,747.52-4,122.63-1,286.46

Finding the Fourth Proportional to 2,747.52, 4,122.63 and 1,286.46

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Solution

The fourth proportional to 2,747.52, 4,122.63 and 1,286.46 is: 1,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.52 : 4,122.63 = 1,286.46 : x
  2. Step 2: Convert to fraction form
    2,747.52/4,122.63 = 1,286.46/x
  3. Step 3: Cross multiply
    2,747.52x = 4,122.63 × 1,286.46
  4. Step 4: Simplify right side
    2,747.52x = 5,303,598.59
  5. Step 5: Solve for x
    x = 5,303,598.59/2,747.52
  6. Step 6: Final answer
    x = 1,930.32

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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.