Home / 3,311.09-4,959.07-1,580.93

Finding the Fourth Proportional to 3,311.09, 4,959.07 and 1,580.93

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Solution

The fourth proportional to 3,311.09, 4,959.07 and 1,580.93 is: 2,367.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.09 : 4,959.07 = 1,580.93 : x
  2. Step 2: Convert to fraction form
    3,311.09/4,959.07 = 1,580.93/x
  3. Step 3: Cross multiply
    3,311.09x = 4,959.07 × 1,580.93
  4. Step 4: Simplify right side
    3,311.09x = 7,839,913.79
  5. Step 5: Solve for x
    x = 7,839,913.79/3,311.09
  6. Step 6: Final answer
    x = 2,367.78

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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.