Home / 4,087.26-5,640.81-2,409.18

Finding the Fourth Proportional to 4,087.26, 5,640.81 and 2,409.18

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Solution

The fourth proportional to 4,087.26, 5,640.81 and 2,409.18 is: 3,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.26 : 5,640.81 = 2,409.18 : x
  2. Step 2: Convert to fraction form
    4,087.26/5,640.81 = 2,409.18/x
  3. Step 3: Cross multiply
    4,087.26x = 5,640.81 × 2,409.18
  4. Step 4: Simplify right side
    4,087.26x = 13,589,726.64
  5. Step 5: Solve for x
    x = 13,589,726.64/4,087.26
  6. Step 6: Final answer
    x = 3,324.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.