Home / 3,429.18-5,143.77-2,272.50

Finding the Fourth Proportional to 3,429.18, 5,143.77 and 2,272.50

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Solution

The fourth proportional to 3,429.18, 5,143.77 and 2,272.50 is: 3,408.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.18 : 5,143.77 = 2,272.50 : x
  2. Step 2: Convert to fraction form
    3,429.18/5,143.77 = 2,272.50/x
  3. Step 3: Cross multiply
    3,429.18x = 5,143.77 × 2,272.50
  4. Step 4: Simplify right side
    3,429.18x = 11,689,217.33
  5. Step 5: Solve for x
    x = 11,689,217.33/3,429.18
  6. Step 6: Final answer
    x = 3,408.75

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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.