Home / 3,790.67-5,230.98-2,218.73

Finding the Fourth Proportional to 3,790.67, 5,230.98 and 2,218.73

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Solution

The fourth proportional to 3,790.67, 5,230.98 and 2,218.73 is: 3,061.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.67 : 5,230.98 = 2,218.73 : x
  2. Step 2: Convert to fraction form
    3,790.67/5,230.98 = 2,218.73/x
  3. Step 3: Cross multiply
    3,790.67x = 5,230.98 × 2,218.73
  4. Step 4: Simplify right side
    3,790.67x = 11,606,106.10
  5. Step 5: Solve for x
    x = 11,606,106.10/3,790.67
  6. Step 6: Final answer
    x = 3,061.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.