Home / 2,409.16-3,608.68-1,531.22

Finding the Fourth Proportional to 2,409.16, 3,608.68 and 1,531.22

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Solution

The fourth proportional to 2,409.16, 3,608.68 and 1,531.22 is: 2,293.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.16 : 3,608.68 = 1,531.22 : x
  2. Step 2: Convert to fraction form
    2,409.16/3,608.68 = 1,531.22/x
  3. Step 3: Cross multiply
    2,409.16x = 3,608.68 × 1,531.22
  4. Step 4: Simplify right side
    2,409.16x = 5,525,682.99
  5. Step 5: Solve for x
    x = 5,525,682.99/2,409.16
  6. Step 6: Final answer
    x = 2,293.61

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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.