Home / 2,910.27-4,370.28-1,911.27

Finding the Fourth Proportional to 2,910.27, 4,370.28 and 1,911.27

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Solution

The fourth proportional to 2,910.27, 4,370.28 and 1,911.27 is: 2,870.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.27 : 4,370.28 = 1,911.27 : x
  2. Step 2: Convert to fraction form
    2,910.27/4,370.28 = 1,911.27/x
  3. Step 3: Cross multiply
    2,910.27x = 4,370.28 × 1,911.27
  4. Step 4: Simplify right side
    2,910.27x = 8,352,785.06
  5. Step 5: Solve for x
    x = 8,352,785.06/2,910.27
  6. Step 6: Final answer
    x = 2,870.11

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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.