Home / 2,977.43-4,467.72-2,162.44

Finding the Fourth Proportional to 2,977.43, 4,467.72 and 2,162.44

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Solution

The fourth proportional to 2,977.43, 4,467.72 and 2,162.44 is: 3,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.43 : 4,467.72 = 2,162.44 : x
  2. Step 2: Convert to fraction form
    2,977.43/4,467.72 = 2,162.44/x
  3. Step 3: Cross multiply
    2,977.43x = 4,467.72 × 2,162.44
  4. Step 4: Simplify right side
    2,977.43x = 9,661,154.10
  5. Step 5: Solve for x
    x = 9,661,154.10/2,977.43
  6. Step 6: Final answer
    x = 3,244.80

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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.