Home / 3,311.66-4,959.56-1,922.06

Finding the Fourth Proportional to 3,311.66, 4,959.56 and 1,922.06

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Solution

The fourth proportional to 3,311.66, 4,959.56 and 1,922.06 is: 2,878.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.66 : 4,959.56 = 1,922.06 : x
  2. Step 2: Convert to fraction form
    3,311.66/4,959.56 = 1,922.06/x
  3. Step 3: Cross multiply
    3,311.66x = 4,959.56 × 1,922.06
  4. Step 4: Simplify right side
    3,311.66x = 9,532,571.89
  5. Step 5: Solve for x
    x = 9,532,571.89/3,311.66
  6. Step 6: Final answer
    x = 2,878.49

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1.5x scale

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.