Home / 3,280.73-4,895.69-3,174.21

Finding the Fourth Proportional to 3,280.73, 4,895.69 and 3,174.21

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Solution

The fourth proportional to 3,280.73, 4,895.69 and 3,174.21 is: 4,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.73 : 4,895.69 = 3,174.21 : x
  2. Step 2: Convert to fraction form
    3,280.73/4,895.69 = 3,174.21/x
  3. Step 3: Cross multiply
    3,280.73x = 4,895.69 × 3,174.21
  4. Step 4: Simplify right side
    3,280.73x = 15,539,932.28
  5. Step 5: Solve for x
    x = 15,539,932.28/3,280.73
  6. Step 6: Final answer
    x = 4,736.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.