Home / 2,619.62-3,910.18-2,400.44

Finding the Fourth Proportional to 2,619.62, 3,910.18 and 2,400.44

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Solution

The fourth proportional to 2,619.62, 3,910.18 and 2,400.44 is: 3,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.62 : 3,910.18 = 2,400.44 : x
  2. Step 2: Convert to fraction form
    2,619.62/3,910.18 = 2,400.44/x
  3. Step 3: Cross multiply
    2,619.62x = 3,910.18 × 2,400.44
  4. Step 4: Simplify right side
    2,619.62x = 9,386,152.48
  5. Step 5: Solve for x
    x = 9,386,152.48/2,619.62
  6. Step 6: Final answer
    x = 3,583.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.