Home / 3,343.07-5,011.87-1,261.89

Finding the Fourth Proportional to 3,343.07, 5,011.87 and 1,261.89

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Solution

The fourth proportional to 3,343.07, 5,011.87 and 1,261.89 is: 1,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.07 : 5,011.87 = 1,261.89 : x
  2. Step 2: Convert to fraction form
    3,343.07/5,011.87 = 1,261.89/x
  3. Step 3: Cross multiply
    3,343.07x = 5,011.87 × 1,261.89
  4. Step 4: Simplify right side
    3,343.07x = 6,324,410.20
  5. Step 5: Solve for x
    x = 6,324,410.20/3,343.07
  6. Step 6: Final answer
    x = 1,891.80

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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.