Home / 3,125.31-4,310.90-2,004.48

Finding the Fourth Proportional to 3,125.31, 4,310.90 and 2,004.48

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Solution

The fourth proportional to 3,125.31, 4,310.90 and 2,004.48 is: 2,764.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.31 : 4,310.90 = 2,004.48 : x
  2. Step 2: Convert to fraction form
    3,125.31/4,310.90 = 2,004.48/x
  3. Step 3: Cross multiply
    3,125.31x = 4,310.90 × 2,004.48
  4. Step 4: Simplify right side
    3,125.31x = 8,641,100.88
  5. Step 5: Solve for x
    x = 8,641,100.88/3,125.31
  6. Step 6: Final answer
    x = 2,764.87

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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.