Home / 3,863.90-5,332.18-2,095.50

Finding the Fourth Proportional to 3,863.90, 5,332.18 and 2,095.50

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Solution

The fourth proportional to 3,863.90, 5,332.18 and 2,095.50 is: 2,891.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.90 : 5,332.18 = 2,095.50 : x
  2. Step 2: Convert to fraction form
    3,863.90/5,332.18 = 2,095.50/x
  3. Step 3: Cross multiply
    3,863.90x = 5,332.18 × 2,095.50
  4. Step 4: Simplify right side
    3,863.90x = 11,173,583.19
  5. Step 5: Solve for x
    x = 11,173,583.19/3,863.90
  6. Step 6: Final answer
    x = 2,891.79

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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.