Home / 3,905.46-5,860.48-1,442

Finding the Fourth Proportional to 3,905.46, 5,860.48 and 1,442

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Solution

The fourth proportional to 3,905.46, 5,860.48 and 1,442 is: 2,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.46 : 5,860.48 = 1,442 : x
  2. Step 2: Convert to fraction form
    3,905.46/5,860.48 = 1,442/x
  3. Step 3: Cross multiply
    3,905.46x = 5,860.48 × 1,442
  4. Step 4: Simplify right side
    3,905.46x = 8,450,812.16
  5. Step 5: Solve for x
    x = 8,450,812.16/3,905.46
  6. Step 6: Final answer
    x = 2,163.85

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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.