Home / 3,311.81-4,967.56-2,010.54

Finding the Fourth Proportional to 3,311.81, 4,967.56 and 2,010.54

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Solution

The fourth proportional to 3,311.81, 4,967.56 and 2,010.54 is: 3,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.81 : 4,967.56 = 2,010.54 : x
  2. Step 2: Convert to fraction form
    3,311.81/4,967.56 = 2,010.54/x
  3. Step 3: Cross multiply
    3,311.81x = 4,967.56 × 2,010.54
  4. Step 4: Simplify right side
    3,311.81x = 9,987,478.08
  5. Step 5: Solve for x
    x = 9,987,478.08/3,311.81
  6. Step 6: Final answer
    x = 3,015.72

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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.