Home / 3,453.95-4,766.58-1,961.80

Finding the Fourth Proportional to 3,453.95, 4,766.58 and 1,961.80

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Solution

The fourth proportional to 3,453.95, 4,766.58 and 1,961.80 is: 2,707.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.95 : 4,766.58 = 1,961.80 : x
  2. Step 2: Convert to fraction form
    3,453.95/4,766.58 = 1,961.80/x
  3. Step 3: Cross multiply
    3,453.95x = 4,766.58 × 1,961.80
  4. Step 4: Simplify right side
    3,453.95x = 9,351,064.73
  5. Step 5: Solve for x
    x = 9,351,064.73/3,453.95
  6. Step 6: Final answer
    x = 2,707.35

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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.