Home / 2,259.17-3,388.42-615.85

Finding the Fourth Proportional to 2,259.17, 3,388.42 and 615.85

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Solution

The fourth proportional to 2,259.17, 3,388.42 and 615.85 is: 923.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.17 : 3,388.42 = 615.85 : x
  2. Step 2: Convert to fraction form
    2,259.17/3,388.42 = 615.85/x
  3. Step 3: Cross multiply
    2,259.17x = 3,388.42 × 615.85
  4. Step 4: Simplify right side
    2,259.17x = 2,086,738.44
  5. Step 5: Solve for x
    x = 2,086,738.44/2,259.17
  6. Step 6: Final answer
    x = 923.67

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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.