Home / 3,617.97-5,429.68-2,646.57

Finding the Fourth Proportional to 3,617.97, 5,429.68 and 2,646.57

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Solution

The fourth proportional to 3,617.97, 5,429.68 and 2,646.57 is: 3,971.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.97 : 5,429.68 = 2,646.57 : x
  2. Step 2: Convert to fraction form
    3,617.97/5,429.68 = 2,646.57/x
  3. Step 3: Cross multiply
    3,617.97x = 5,429.68 × 2,646.57
  4. Step 4: Simplify right side
    3,617.97x = 14,370,056.83
  5. Step 5: Solve for x
    x = 14,370,056.83/3,617.97
  6. Step 6: Final answer
    x = 3,971.86

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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.