Home / 3,943.03-5,913.10-1,310.06

Finding the Fourth Proportional to 3,943.03, 5,913.10 and 1,310.06

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Solution

The fourth proportional to 3,943.03, 5,913.10 and 1,310.06 is: 1,964.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.03 : 5,913.10 = 1,310.06 : x
  2. Step 2: Convert to fraction form
    3,943.03/5,913.10 = 1,310.06/x
  3. Step 3: Cross multiply
    3,943.03x = 5,913.10 × 1,310.06
  4. Step 4: Simplify right side
    3,943.03x = 7,746,519.06
  5. Step 5: Solve for x
    x = 7,746,519.06/3,943.03
  6. Step 6: Final answer
    x = 1,964.61

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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.