Home / 3,415.86-5,132.28-2,183.82

Finding the Fourth Proportional to 3,415.86, 5,132.28 and 2,183.82

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Solution

The fourth proportional to 3,415.86, 5,132.28 and 2,183.82 is: 3,281.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.86 : 5,132.28 = 2,183.82 : x
  2. Step 2: Convert to fraction form
    3,415.86/5,132.28 = 2,183.82/x
  3. Step 3: Cross multiply
    3,415.86x = 5,132.28 × 2,183.82
  4. Step 4: Simplify right side
    3,415.86x = 11,207,975.71
  5. Step 5: Solve for x
    x = 11,207,975.71/3,415.86
  6. Step 6: Final answer
    x = 3,281.16

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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.