Home / 2,634.53-3,946.32-2,142.45

Finding the Fourth Proportional to 2,634.53, 3,946.32 and 2,142.45

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Solution

The fourth proportional to 2,634.53, 3,946.32 and 2,142.45 is: 3,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.53 : 3,946.32 = 2,142.45 : x
  2. Step 2: Convert to fraction form
    2,634.53/3,946.32 = 2,142.45/x
  3. Step 3: Cross multiply
    2,634.53x = 3,946.32 × 2,142.45
  4. Step 4: Simplify right side
    2,634.53x = 8,454,793.28
  5. Step 5: Solve for x
    x = 8,454,793.28/2,634.53
  6. Step 6: Final answer
    x = 3,209.23

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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.