Home / 3,300.40-4,950.60-3,251.80

Finding the Fourth Proportional to 3,300.40, 4,950.60 and 3,251.80

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Solution

The fourth proportional to 3,300.40, 4,950.60 and 3,251.80 is: 4,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.40 : 4,950.60 = 3,251.80 : x
  2. Step 2: Convert to fraction form
    3,300.40/4,950.60 = 3,251.80/x
  3. Step 3: Cross multiply
    3,300.40x = 4,950.60 × 3,251.80
  4. Step 4: Simplify right side
    3,300.40x = 16,098,361.08
  5. Step 5: Solve for x
    x = 16,098,361.08/3,300.40
  6. Step 6: Final answer
    x = 4,877.70

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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.