Home / 3,866.82-5,328.06-2,622.66

Finding the Fourth Proportional to 3,866.82, 5,328.06 and 2,622.66

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Solution

The fourth proportional to 3,866.82, 5,328.06 and 2,622.66 is: 3,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.82 : 5,328.06 = 2,622.66 : x
  2. Step 2: Convert to fraction form
    3,866.82/5,328.06 = 2,622.66/x
  3. Step 3: Cross multiply
    3,866.82x = 5,328.06 × 2,622.66
  4. Step 4: Simplify right side
    3,866.82x = 13,973,689.84
  5. Step 5: Solve for x
    x = 13,973,689.84/3,866.82
  6. Step 6: Final answer
    x = 3,613.74

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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.