Home / 3,749.89-5,627.34-1,558.61

Finding the Fourth Proportional to 3,749.89, 5,627.34 and 1,558.61

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Solution

The fourth proportional to 3,749.89, 5,627.34 and 1,558.61 is: 2,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.89 : 5,627.34 = 1,558.61 : x
  2. Step 2: Convert to fraction form
    3,749.89/5,627.34 = 1,558.61/x
  3. Step 3: Cross multiply
    3,749.89x = 5,627.34 × 1,558.61
  4. Step 4: Simplify right side
    3,749.89x = 8,770,828.40
  5. Step 5: Solve for x
    x = 8,770,828.40/3,749.89
  6. Step 6: Final answer
    x = 2,338.96

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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.