Home / 3,914.04-5,863.86-1,966.20

Finding the Fourth Proportional to 3,914.04, 5,863.86 and 1,966.20

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Solution

The fourth proportional to 3,914.04, 5,863.86 and 1,966.20 is: 2,945.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.04 : 5,863.86 = 1,966.20 : x
  2. Step 2: Convert to fraction form
    3,914.04/5,863.86 = 1,966.20/x
  3. Step 3: Cross multiply
    3,914.04x = 5,863.86 × 1,966.20
  4. Step 4: Simplify right side
    3,914.04x = 11,529,521.53
  5. Step 5: Solve for x
    x = 11,529,521.53/3,914.04
  6. Step 6: Final answer
    x = 2,945.68

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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.