Home / 2,110.92-2,911.70-1,324.28

Finding the Fourth Proportional to 2,110.92, 2,911.70 and 1,324.28

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Solution

The fourth proportional to 2,110.92, 2,911.70 and 1,324.28 is: 1,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.92 : 2,911.70 = 1,324.28 : x
  2. Step 2: Convert to fraction form
    2,110.92/2,911.70 = 1,324.28/x
  3. Step 3: Cross multiply
    2,110.92x = 2,911.70 × 1,324.28
  4. Step 4: Simplify right side
    2,110.92x = 3,855,906.08
  5. Step 5: Solve for x
    x = 3,855,906.08/2,110.92
  6. Step 6: Final answer
    x = 1,826.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.