Home / 2,411.91-3,620.07-1,489.23

Finding the Fourth Proportional to 2,411.91, 3,620.07 and 1,489.23

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Solution

The fourth proportional to 2,411.91, 3,620.07 and 1,489.23 is: 2,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,411.91 : 3,620.07 = 1,489.23 : x
  2. Step 2: Convert to fraction form
    2,411.91/3,620.07 = 1,489.23/x
  3. Step 3: Cross multiply
    2,411.91x = 3,620.07 × 1,489.23
  4. Step 4: Simplify right side
    2,411.91x = 5,391,116.85
  5. Step 5: Solve for x
    x = 5,391,116.85/2,411.91
  6. Step 6: Final answer
    x = 2,235.21

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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.