Home / 3,400.52-5,102.20-1,919.93

Finding the Fourth Proportional to 3,400.52, 5,102.20 and 1,919.93

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Solution

The fourth proportional to 3,400.52, 5,102.20 and 1,919.93 is: 2,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.52 : 5,102.20 = 1,919.93 : x
  2. Step 2: Convert to fraction form
    3,400.52/5,102.20 = 1,919.93/x
  3. Step 3: Cross multiply
    3,400.52x = 5,102.20 × 1,919.93
  4. Step 4: Simplify right side
    3,400.52x = 9,795,860.78
  5. Step 5: Solve for x
    x = 9,795,860.78/3,400.52
  6. Step 6: Final answer
    x = 2,880.70

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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.