Home / 3,382.29-5,068.58-1,918.35

Finding the Fourth Proportional to 3,382.29, 5,068.58 and 1,918.35

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Solution

The fourth proportional to 3,382.29, 5,068.58 and 1,918.35 is: 2,874.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.29 : 5,068.58 = 1,918.35 : x
  2. Step 2: Convert to fraction form
    3,382.29/5,068.58 = 1,918.35/x
  3. Step 3: Cross multiply
    3,382.29x = 5,068.58 × 1,918.35
  4. Step 4: Simplify right side
    3,382.29x = 9,723,300.85
  5. Step 5: Solve for x
    x = 9,723,300.85/3,382.29
  6. Step 6: Final answer
    x = 2,874.77

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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.