Home / 3,680.16-5,077.26-2,188.14

Finding the Fourth Proportional to 3,680.16, 5,077.26 and 2,188.14

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Solution

The fourth proportional to 3,680.16, 5,077.26 and 2,188.14 is: 3,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.16 : 5,077.26 = 2,188.14 : x
  2. Step 2: Convert to fraction form
    3,680.16/5,077.26 = 2,188.14/x
  3. Step 3: Cross multiply
    3,680.16x = 5,077.26 × 2,188.14
  4. Step 4: Simplify right side
    3,680.16x = 11,109,755.70
  5. Step 5: Solve for x
    x = 11,109,755.70/3,680.16
  6. Step 6: Final answer
    x = 3,018.82

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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.