Home / 3,785.85-5,677.56-3,299.85

Finding the Fourth Proportional to 3,785.85, 5,677.56 and 3,299.85

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Solution

The fourth proportional to 3,785.85, 5,677.56 and 3,299.85 is: 4,948.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.85 : 5,677.56 = 3,299.85 : x
  2. Step 2: Convert to fraction form
    3,785.85/5,677.56 = 3,299.85/x
  3. Step 3: Cross multiply
    3,785.85x = 5,677.56 × 3,299.85
  4. Step 4: Simplify right side
    3,785.85x = 18,735,096.37
  5. Step 5: Solve for x
    x = 18,735,096.37/3,785.85
  6. Step 6: Final answer
    x = 4,948.72

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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.