Home / 2,911.28-4,367.30-1,351.07

Finding the Fourth Proportional to 2,911.28, 4,367.30 and 1,351.07

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Solution

The fourth proportional to 2,911.28, 4,367.30 and 1,351.07 is: 2,026.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.28 : 4,367.30 = 1,351.07 : x
  2. Step 2: Convert to fraction form
    2,911.28/4,367.30 = 1,351.07/x
  3. Step 3: Cross multiply
    2,911.28x = 4,367.30 × 1,351.07
  4. Step 4: Simplify right side
    2,911.28x = 5,900,528.01
  5. Step 5: Solve for x
    x = 5,900,528.01/2,911.28
  6. Step 6: Final answer
    x = 2,026.78

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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.