Home / 3,776.59-5,664.74-1,311.96

Finding the Fourth Proportional to 3,776.59, 5,664.74 and 1,311.96

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Solution

The fourth proportional to 3,776.59, 5,664.74 and 1,311.96 is: 1,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.59 : 5,664.74 = 1,311.96 : x
  2. Step 2: Convert to fraction form
    3,776.59/5,664.74 = 1,311.96/x
  3. Step 3: Cross multiply
    3,776.59x = 5,664.74 × 1,311.96
  4. Step 4: Simplify right side
    3,776.59x = 7,431,926.97
  5. Step 5: Solve for x
    x = 7,431,926.97/3,776.59
  6. Step 6: Final answer
    x = 1,967.89

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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.