Home / 2,465.20-3,697.80-733.78

Finding the Fourth Proportional to 2,465.20, 3,697.80 and 733.78

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Solution

The fourth proportional to 2,465.20, 3,697.80 and 733.78 is: 1,100.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465.20 : 3,697.80 = 733.78 : x
  2. Step 2: Convert to fraction form
    2,465.20/3,697.80 = 733.78/x
  3. Step 3: Cross multiply
    2,465.20x = 3,697.80 × 733.78
  4. Step 4: Simplify right side
    2,465.20x = 2,713,371.68
  5. Step 5: Solve for x
    x = 2,713,371.68/2,465.20
  6. Step 6: Final answer
    x = 1,100.67

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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.