Home / 2,179.19-3,268.31-1,068.62

Finding the Fourth Proportional to 2,179.19, 3,268.31 and 1,068.62

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Solution

The fourth proportional to 2,179.19, 3,268.31 and 1,068.62 is: 1,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.19 : 3,268.31 = 1,068.62 : x
  2. Step 2: Convert to fraction form
    2,179.19/3,268.31 = 1,068.62/x
  3. Step 3: Cross multiply
    2,179.19x = 3,268.31 × 1,068.62
  4. Step 4: Simplify right side
    2,179.19x = 3,492,559.75
  5. Step 5: Solve for x
    x = 3,492,559.75/2,179.19
  6. Step 6: Final answer
    x = 1,602.69

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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.