Home / 3,640.44-5,019.93-2,382.57

Finding the Fourth Proportional to 3,640.44, 5,019.93 and 2,382.57

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Solution

The fourth proportional to 3,640.44, 5,019.93 and 2,382.57 is: 3,285.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.44 : 5,019.93 = 2,382.57 : x
  2. Step 2: Convert to fraction form
    3,640.44/5,019.93 = 2,382.57/x
  3. Step 3: Cross multiply
    3,640.44x = 5,019.93 × 2,382.57
  4. Step 4: Simplify right side
    3,640.44x = 11,960,334.62
  5. Step 5: Solve for x
    x = 11,960,334.62/3,640.44
  6. Step 6: Final answer
    x = 3,285.41

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1.5x scale

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.