Home / 3,169.09-4,754.85-1,319.71

Finding the Fourth Proportional to 3,169.09, 4,754.85 and 1,319.71

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Solution

The fourth proportional to 3,169.09, 4,754.85 and 1,319.71 is: 1,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.09 : 4,754.85 = 1,319.71 : x
  2. Step 2: Convert to fraction form
    3,169.09/4,754.85 = 1,319.71/x
  3. Step 3: Cross multiply
    3,169.09x = 4,754.85 × 1,319.71
  4. Step 4: Simplify right side
    3,169.09x = 6,274,992.72
  5. Step 5: Solve for x
    x = 6,274,992.72/3,169.09
  6. Step 6: Final answer
    x = 1,980.06

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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.