Home / 3,430.26-5,136.66-2,331.26

Finding the Fourth Proportional to 3,430.26, 5,136.66 and 2,331.26

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Solution

The fourth proportional to 3,430.26, 5,136.66 and 2,331.26 is: 3,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.26 : 5,136.66 = 2,331.26 : x
  2. Step 2: Convert to fraction form
    3,430.26/5,136.66 = 2,331.26/x
  3. Step 3: Cross multiply
    3,430.26x = 5,136.66 × 2,331.26
  4. Step 4: Simplify right side
    3,430.26x = 11,974,889.99
  5. Step 5: Solve for x
    x = 11,974,889.99/3,430.26
  6. Step 6: Final answer
    x = 3,490.96

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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.