Home / 3,327.99-4,989.02-1,378.95

Finding the Fourth Proportional to 3,327.99, 4,989.02 and 1,378.95

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Solution

The fourth proportional to 3,327.99, 4,989.02 and 1,378.95 is: 2,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.99 : 4,989.02 = 1,378.95 : x
  2. Step 2: Convert to fraction form
    3,327.99/4,989.02 = 1,378.95/x
  3. Step 3: Cross multiply
    3,327.99x = 4,989.02 × 1,378.95
  4. Step 4: Simplify right side
    3,327.99x = 6,879,602.23
  5. Step 5: Solve for x
    x = 6,879,602.23/3,327.99
  6. Step 6: Final answer
    x = 2,067.19

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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.