Home / 3,721.14-5,603.27-2,688.17

Finding the Fourth Proportional to 3,721.14, 5,603.27 and 2,688.17

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Solution

The fourth proportional to 3,721.14, 5,603.27 and 2,688.17 is: 4,047.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.14 : 5,603.27 = 2,688.17 : x
  2. Step 2: Convert to fraction form
    3,721.14/5,603.27 = 2,688.17/x
  3. Step 3: Cross multiply
    3,721.14x = 5,603.27 × 2,688.17
  4. Step 4: Simplify right side
    3,721.14x = 15,062,500.86
  5. Step 5: Solve for x
    x = 15,062,500.86/3,721.14
  6. Step 6: Final answer
    x = 4,047.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.