Home / 3,355.20-4,634.69-2,578.95

Finding the Fourth Proportional to 3,355.20, 4,634.69 and 2,578.95

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Solution

The fourth proportional to 3,355.20, 4,634.69 and 2,578.95 is: 3,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.20 : 4,634.69 = 2,578.95 : x
  2. Step 2: Convert to fraction form
    3,355.20/4,634.69 = 2,578.95/x
  3. Step 3: Cross multiply
    3,355.20x = 4,634.69 × 2,578.95
  4. Step 4: Simplify right side
    3,355.20x = 11,952,633.78
  5. Step 5: Solve for x
    x = 11,952,633.78/3,355.20
  6. Step 6: Final answer
    x = 3,562.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.