Home / 3,586.34-5,380.56-1,505.25

Finding the Fourth Proportional to 3,586.34, 5,380.56 and 1,505.25

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Solution

The fourth proportional to 3,586.34, 5,380.56 and 1,505.25 is: 2,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.34 : 5,380.56 = 1,505.25 : x
  2. Step 2: Convert to fraction form
    3,586.34/5,380.56 = 1,505.25/x
  3. Step 3: Cross multiply
    3,586.34x = 5,380.56 × 1,505.25
  4. Step 4: Simplify right side
    3,586.34x = 8,099,087.94
  5. Step 5: Solve for x
    x = 8,099,087.94/3,586.34
  6. Step 6: Final answer
    x = 2,258.31

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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.