Home / 3,429.40-5,134.26-2,550.20

Finding the Fourth Proportional to 3,429.40, 5,134.26 and 2,550.20

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Solution

The fourth proportional to 3,429.40, 5,134.26 and 2,550.20 is: 3,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.40 : 5,134.26 = 2,550.20 : x
  2. Step 2: Convert to fraction form
    3,429.40/5,134.26 = 2,550.20/x
  3. Step 3: Cross multiply
    3,429.40x = 5,134.26 × 2,550.20
  4. Step 4: Simplify right side
    3,429.40x = 13,093,389.85
  5. Step 5: Solve for x
    x = 13,093,389.85/3,429.40
  6. Step 6: Final answer
    x = 3,817.98

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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.