Home / 3,390.80-5,076.27-2,572.29

Finding the Fourth Proportional to 3,390.80, 5,076.27 and 2,572.29

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Solution

The fourth proportional to 3,390.80, 5,076.27 and 2,572.29 is: 3,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.80 : 5,076.27 = 2,572.29 : x
  2. Step 2: Convert to fraction form
    3,390.80/5,076.27 = 2,572.29/x
  3. Step 3: Cross multiply
    3,390.80x = 5,076.27 × 2,572.29
  4. Step 4: Simplify right side
    3,390.80x = 13,057,638.56
  5. Step 5: Solve for x
    x = 13,057,638.56/3,390.80
  6. Step 6: Final answer
    x = 3,850.91

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1.5x scale

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.