Home / 3,378.86-5,069.97-1,897.16

Finding the Fourth Proportional to 3,378.86, 5,069.97 and 1,897.16

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Solution

The fourth proportional to 3,378.86, 5,069.97 and 1,897.16 is: 2,846.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.86 : 5,069.97 = 1,897.16 : x
  2. Step 2: Convert to fraction form
    3,378.86/5,069.97 = 1,897.16/x
  3. Step 3: Cross multiply
    3,378.86x = 5,069.97 × 1,897.16
  4. Step 4: Simplify right side
    3,378.86x = 9,618,544.29
  5. Step 5: Solve for x
    x = 9,618,544.29/3,378.86
  6. Step 6: Final answer
    x = 2,846.68

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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.