Home / 2,153.10-3,227.76-1,110.90

Finding the Fourth Proportional to 2,153.10, 3,227.76 and 1,110.90

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Solution

The fourth proportional to 2,153.10, 3,227.76 and 1,110.90 is: 1,665.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.10 : 3,227.76 = 1,110.90 : x
  2. Step 2: Convert to fraction form
    2,153.10/3,227.76 = 1,110.90/x
  3. Step 3: Cross multiply
    2,153.10x = 3,227.76 × 1,110.90
  4. Step 4: Simplify right side
    2,153.10x = 3,585,718.58
  5. Step 5: Solve for x
    x = 3,585,718.58/2,153.10
  6. Step 6: Final answer
    x = 1,665.37

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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.