Home / 3,639-5,022.41-2,068.05

Finding the Fourth Proportional to 3,639, 5,022.41 and 2,068.05

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Solution

The fourth proportional to 3,639, 5,022.41 and 2,068.05 is: 2,854.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639 : 5,022.41 = 2,068.05 : x
  2. Step 2: Convert to fraction form
    3,639/5,022.41 = 2,068.05/x
  3. Step 3: Cross multiply
    3,639x = 5,022.41 × 2,068.05
  4. Step 4: Simplify right side
    3,639x = 10,386,584.66
  5. Step 5: Solve for x
    x = 10,386,584.66/3,639
  6. Step 6: Final answer
    x = 2,854.24

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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.