Home / 3,943.10-5,915.18-1,169.81

Finding the Fourth Proportional to 3,943.10, 5,915.18 and 1,169.81

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Solution

The fourth proportional to 3,943.10, 5,915.18 and 1,169.81 is: 1,754.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.10 : 5,915.18 = 1,169.81 : x
  2. Step 2: Convert to fraction form
    3,943.10/5,915.18 = 1,169.81/x
  3. Step 3: Cross multiply
    3,943.10x = 5,915.18 × 1,169.81
  4. Step 4: Simplify right side
    3,943.10x = 6,919,636.72
  5. Step 5: Solve for x
    x = 6,919,636.72/3,943.10
  6. Step 6: Final answer
    x = 1,754.87

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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.