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Finding the Fourth Proportional to 3,830.85, 5,746.02 and 1,749.42

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Solution

The fourth proportional to 3,830.85, 5,746.02 and 1,749.42 is: 2,624.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.85 : 5,746.02 = 1,749.42 : x
  2. Step 2: Convert to fraction form
    3,830.85/5,746.02 = 1,749.42/x
  3. Step 3: Cross multiply
    3,830.85x = 5,746.02 × 1,749.42
  4. Step 4: Simplify right side
    3,830.85x = 10,052,202.31
  5. Step 5: Solve for x
    x = 10,052,202.31/3,830.85
  6. Step 6: Final answer
    x = 2,624.01

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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.