Home / 3,423.98-5,136.08-1,344.51

Finding the Fourth Proportional to 3,423.98, 5,136.08 and 1,344.51

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Solution

The fourth proportional to 3,423.98, 5,136.08 and 1,344.51 is: 2,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.98 : 5,136.08 = 1,344.51 : x
  2. Step 2: Convert to fraction form
    3,423.98/5,136.08 = 1,344.51/x
  3. Step 3: Cross multiply
    3,423.98x = 5,136.08 × 1,344.51
  4. Step 4: Simplify right side
    3,423.98x = 6,905,504.20
  5. Step 5: Solve for x
    x = 6,905,504.20/3,423.98
  6. Step 6: Final answer
    x = 2,016.80

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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.