Home / 3,107.28-4,662-2,071.44

Finding the Fourth Proportional to 3,107.28, 4,662 and 2,071.44

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Solution

The fourth proportional to 3,107.28, 4,662 and 2,071.44 is: 3,107.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.28 : 4,662 = 2,071.44 : x
  2. Step 2: Convert to fraction form
    3,107.28/4,662 = 2,071.44/x
  3. Step 3: Cross multiply
    3,107.28x = 4,662 × 2,071.44
  4. Step 4: Simplify right side
    3,107.28x = 9,657,053.28
  5. Step 5: Solve for x
    x = 9,657,053.28/3,107.28
  6. Step 6: Final answer
    x = 3,107.88

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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.