Home / 3,355.42-5,028.26-1,891.46

Finding the Fourth Proportional to 3,355.42, 5,028.26 and 1,891.46

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Solution

The fourth proportional to 3,355.42, 5,028.26 and 1,891.46 is: 2,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.42 : 5,028.26 = 1,891.46 : x
  2. Step 2: Convert to fraction form
    3,355.42/5,028.26 = 1,891.46/x
  3. Step 3: Cross multiply
    3,355.42x = 5,028.26 × 1,891.46
  4. Step 4: Simplify right side
    3,355.42x = 9,510,727.52
  5. Step 5: Solve for x
    x = 9,510,727.52/3,355.42
  6. Step 6: Final answer
    x = 2,834.44

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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.