Home / 3,580.13-5,363.26-2,015.39

Finding the Fourth Proportional to 3,580.13, 5,363.26 and 2,015.39

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Solution

The fourth proportional to 3,580.13, 5,363.26 and 2,015.39 is: 3,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.13 : 5,363.26 = 2,015.39 : x
  2. Step 2: Convert to fraction form
    3,580.13/5,363.26 = 2,015.39/x
  3. Step 3: Cross multiply
    3,580.13x = 5,363.26 × 2,015.39
  4. Step 4: Simplify right side
    3,580.13x = 10,809,060.57
  5. Step 5: Solve for x
    x = 10,809,060.57/3,580.13
  6. Step 6: Final answer
    x = 3,019.18

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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.