Home / 2,411.69-3,611.70-1,669.22

Finding the Fourth Proportional to 2,411.69, 3,611.70 and 1,669.22

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Solution

The fourth proportional to 2,411.69, 3,611.70 and 1,669.22 is: 2,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,411.69 : 3,611.70 = 1,669.22 : x
  2. Step 2: Convert to fraction form
    2,411.69/3,611.70 = 1,669.22/x
  3. Step 3: Cross multiply
    2,411.69x = 3,611.70 × 1,669.22
  4. Step 4: Simplify right side
    2,411.69x = 6,028,717.87
  5. Step 5: Solve for x
    x = 6,028,717.87/2,411.69
  6. Step 6: Final answer
    x = 2,499.79

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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.