Home / 2,169.36-3,260.25-1,074.51

Finding the Fourth Proportional to 2,169.36, 3,260.25 and 1,074.51

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Solution

The fourth proportional to 2,169.36, 3,260.25 and 1,074.51 is: 1,614.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.36 : 3,260.25 = 1,074.51 : x
  2. Step 2: Convert to fraction form
    2,169.36/3,260.25 = 1,074.51/x
  3. Step 3: Cross multiply
    2,169.36x = 3,260.25 × 1,074.51
  4. Step 4: Simplify right side
    2,169.36x = 3,503,171.23
  5. Step 5: Solve for x
    x = 3,503,171.23/2,169.36
  6. Step 6: Final answer
    x = 1,614.84

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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.