Home / 3,960.19-5,934.04-3,216.18

Finding the Fourth Proportional to 3,960.19, 5,934.04 and 3,216.18

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Solution

The fourth proportional to 3,960.19, 5,934.04 and 3,216.18 is: 4,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.19 : 5,934.04 = 3,216.18 : x
  2. Step 2: Convert to fraction form
    3,960.19/5,934.04 = 3,216.18/x
  3. Step 3: Cross multiply
    3,960.19x = 5,934.04 × 3,216.18
  4. Step 4: Simplify right side
    3,960.19x = 19,084,940.77
  5. Step 5: Solve for x
    x = 19,084,940.77/3,960.19
  6. Step 6: Final answer
    x = 4,819.20

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1.5x scale

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.