Home / 3,581.54-5,371.61-1,802.12

Finding the Fourth Proportional to 3,581.54, 5,371.61 and 1,802.12

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Solution

The fourth proportional to 3,581.54, 5,371.61 and 1,802.12 is: 2,702.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.54 : 5,371.61 = 1,802.12 : x
  2. Step 2: Convert to fraction form
    3,581.54/5,371.61 = 1,802.12/x
  3. Step 3: Cross multiply
    3,581.54x = 5,371.61 × 1,802.12
  4. Step 4: Simplify right side
    3,581.54x = 9,680,290.23
  5. Step 5: Solve for x
    x = 9,680,290.23/3,581.54
  6. Step 6: Final answer
    x = 2,702.83

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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.