Home / 3,757-5,629.40-2,291.70

Finding the Fourth Proportional to 3,757, 5,629.40 and 2,291.70

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Solution

The fourth proportional to 3,757, 5,629.40 and 2,291.70 is: 3,433.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757 : 5,629.40 = 2,291.70 : x
  2. Step 2: Convert to fraction form
    3,757/5,629.40 = 2,291.70/x
  3. Step 3: Cross multiply
    3,757x = 5,629.40 × 2,291.70
  4. Step 4: Simplify right side
    3,757x = 12,900,895.98
  5. Step 5: Solve for x
    x = 12,900,895.98/3,757
  6. Step 6: Final answer
    x = 3,433.83

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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.