Home / 3,860.46-5,790.33-1,913.94

Finding the Fourth Proportional to 3,860.46, 5,790.33 and 1,913.94

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Solution

The fourth proportional to 3,860.46, 5,790.33 and 1,913.94 is: 2,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.46 : 5,790.33 = 1,913.94 : x
  2. Step 2: Convert to fraction form
    3,860.46/5,790.33 = 1,913.94/x
  3. Step 3: Cross multiply
    3,860.46x = 5,790.33 × 1,913.94
  4. Step 4: Simplify right side
    3,860.46x = 11,082,344.20
  5. Step 5: Solve for x
    x = 11,082,344.20/3,860.46
  6. Step 6: Final answer
    x = 2,870.73

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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.