Home / 3,865.89-5,799.74-1,268.67

Finding the Fourth Proportional to 3,865.89, 5,799.74 and 1,268.67

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Solution

The fourth proportional to 3,865.89, 5,799.74 and 1,268.67 is: 1,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.89 : 5,799.74 = 1,268.67 : x
  2. Step 2: Convert to fraction form
    3,865.89/5,799.74 = 1,268.67/x
  3. Step 3: Cross multiply
    3,865.89x = 5,799.74 × 1,268.67
  4. Step 4: Simplify right side
    3,865.89x = 7,357,949.80
  5. Step 5: Solve for x
    x = 7,357,949.80/3,865.89
  6. Step 6: Final answer
    x = 1,903.30

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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.