Home / 2,884.10-3,979.85-1,625.09

Finding the Fourth Proportional to 2,884.10, 3,979.85 and 1,625.09

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Solution

The fourth proportional to 2,884.10, 3,979.85 and 1,625.09 is: 2,242.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.10 : 3,979.85 = 1,625.09 : x
  2. Step 2: Convert to fraction form
    2,884.10/3,979.85 = 1,625.09/x
  3. Step 3: Cross multiply
    2,884.10x = 3,979.85 × 1,625.09
  4. Step 4: Simplify right side
    2,884.10x = 6,467,586.41
  5. Step 5: Solve for x
    x = 6,467,586.41/2,884.10
  6. Step 6: Final answer
    x = 2,242.50

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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.