Home / 3,578.24-5,366.28-2,117

Finding the Fourth Proportional to 3,578.24, 5,366.28 and 2,117

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Solution

The fourth proportional to 3,578.24, 5,366.28 and 2,117 is: 3,174.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.24 : 5,366.28 = 2,117 : x
  2. Step 2: Convert to fraction form
    3,578.24/5,366.28 = 2,117/x
  3. Step 3: Cross multiply
    3,578.24x = 5,366.28 × 2,117
  4. Step 4: Simplify right side
    3,578.24x = 11,360,414.76
  5. Step 5: Solve for x
    x = 11,360,414.76/3,578.24
  6. Step 6: Final answer
    x = 3,174.86

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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.