Home / 3,423.53-5,135.29-1,344.51

Finding the Fourth Proportional to 3,423.53, 5,135.29 and 1,344.51

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Solution

The fourth proportional to 3,423.53, 5,135.29 and 1,344.51 is: 2,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.53 : 5,135.29 = 1,344.51 : x
  2. Step 2: Convert to fraction form
    3,423.53/5,135.29 = 1,344.51/x
  3. Step 3: Cross multiply
    3,423.53x = 5,135.29 × 1,344.51
  4. Step 4: Simplify right side
    3,423.53x = 6,904,416.36
  5. Step 5: Solve for x
    x = 6,904,416.36/3,423.53
  6. Step 6: Final answer
    x = 2,016.76

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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.