Home / 3,418.45-5,127.63-2,084.64

Finding the Fourth Proportional to 3,418.45, 5,127.63 and 2,084.64

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Solution

The fourth proportional to 3,418.45, 5,127.63 and 2,084.64 is: 3,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.45 : 5,127.63 = 2,084.64 : x
  2. Step 2: Convert to fraction form
    3,418.45/5,127.63 = 2,084.64/x
  3. Step 3: Cross multiply
    3,418.45x = 5,127.63 × 2,084.64
  4. Step 4: Simplify right side
    3,418.45x = 10,689,249.67
  5. Step 5: Solve for x
    x = 10,689,249.67/3,418.45
  6. Step 6: Final answer
    x = 3,126.93

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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.