Home / 2,669.25-3,674.85-2,319.81

Finding the Fourth Proportional to 2,669.25, 3,674.85 and 2,319.81

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Solution

The fourth proportional to 2,669.25, 3,674.85 and 2,319.81 is: 3,193.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.25 : 3,674.85 = 2,319.81 : x
  2. Step 2: Convert to fraction form
    2,669.25/3,674.85 = 2,319.81/x
  3. Step 3: Cross multiply
    2,669.25x = 3,674.85 × 2,319.81
  4. Step 4: Simplify right side
    2,669.25x = 8,524,953.78
  5. Step 5: Solve for x
    x = 8,524,953.78/2,669.25
  6. Step 6: Final answer
    x = 3,193.76

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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.