Home / 3,738.40-5,608.58-1,106

Finding the Fourth Proportional to 3,738.40, 5,608.58 and 1,106

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Solution

The fourth proportional to 3,738.40, 5,608.58 and 1,106 is: 1,659.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.40 : 5,608.58 = 1,106 : x
  2. Step 2: Convert to fraction form
    3,738.40/5,608.58 = 1,106/x
  3. Step 3: Cross multiply
    3,738.40x = 5,608.58 × 1,106
  4. Step 4: Simplify right side
    3,738.40x = 6,203,089.48
  5. Step 5: Solve for x
    x = 6,203,089.48/3,738.40
  6. Step 6: Final answer
    x = 1,659.29

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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.