Home / 3,188.49-4,400.91-2,480.16

Finding the Fourth Proportional to 3,188.49, 4,400.91 and 2,480.16

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Solution

The fourth proportional to 3,188.49, 4,400.91 and 2,480.16 is: 3,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.49 : 4,400.91 = 2,480.16 : x
  2. Step 2: Convert to fraction form
    3,188.49/4,400.91 = 2,480.16/x
  3. Step 3: Cross multiply
    3,188.49x = 4,400.91 × 2,480.16
  4. Step 4: Simplify right side
    3,188.49x = 10,914,960.95
  5. Step 5: Solve for x
    x = 10,914,960.95/3,188.49
  6. Step 6: Final answer
    x = 3,423.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.