Home / 3,430.82-5,136.21-3,102.52

Finding the Fourth Proportional to 3,430.82, 5,136.21 and 3,102.52

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Solution

The fourth proportional to 3,430.82, 5,136.21 and 3,102.52 is: 4,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.82 : 5,136.21 = 3,102.52 : x
  2. Step 2: Convert to fraction form
    3,430.82/5,136.21 = 3,102.52/x
  3. Step 3: Cross multiply
    3,430.82x = 5,136.21 × 3,102.52
  4. Step 4: Simplify right side
    3,430.82x = 15,935,168.57
  5. Step 5: Solve for x
    x = 15,935,168.57/3,430.82
  6. Step 6: Final answer
    x = 4,644.71

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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.