Home / 3,943.22-5,914.95-1,634.90

Finding the Fourth Proportional to 3,943.22, 5,914.95 and 1,634.90

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Solution

The fourth proportional to 3,943.22, 5,914.95 and 1,634.90 is: 2,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.22 : 5,914.95 = 1,634.90 : x
  2. Step 2: Convert to fraction form
    3,943.22/5,914.95 = 1,634.90/x
  3. Step 3: Cross multiply
    3,943.22x = 5,914.95 × 1,634.90
  4. Step 4: Simplify right side
    3,943.22x = 9,670,351.76
  5. Step 5: Solve for x
    x = 9,670,351.76/3,943.22
  6. Step 6: Final answer
    x = 2,452.40

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1.5x scale

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.