Home / 2,409.26-3,617.18-1,240.22

Finding the Fourth Proportional to 2,409.26, 3,617.18 and 1,240.22

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Solution

The fourth proportional to 2,409.26, 3,617.18 and 1,240.22 is: 1,862.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.26 : 3,617.18 = 1,240.22 : x
  2. Step 2: Convert to fraction form
    2,409.26/3,617.18 = 1,240.22/x
  3. Step 3: Cross multiply
    2,409.26x = 3,617.18 × 1,240.22
  4. Step 4: Simplify right side
    2,409.26x = 4,486,098.98
  5. Step 5: Solve for x
    x = 4,486,098.98/2,409.26
  6. Step 6: Final answer
    x = 1,862.02

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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.