Home / 2,110.10-3,169.25-1,720.38

Finding the Fourth Proportional to 2,110.10, 3,169.25 and 1,720.38

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Solution

The fourth proportional to 2,110.10, 3,169.25 and 1,720.38 is: 2,583.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.10 : 3,169.25 = 1,720.38 : x
  2. Step 2: Convert to fraction form
    2,110.10/3,169.25 = 1,720.38/x
  3. Step 3: Cross multiply
    2,110.10x = 3,169.25 × 1,720.38
  4. Step 4: Simplify right side
    2,110.10x = 5,452,305.71
  5. Step 5: Solve for x
    x = 5,452,305.71/2,110.10
  6. Step 6: Final answer
    x = 2,583.91

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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.