Home / 4,153.74-6,231.47-1,961.27

Finding the Fourth Proportional to 4,153.74, 6,231.47 and 1,961.27

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Solution

The fourth proportional to 4,153.74, 6,231.47 and 1,961.27 is: 2,942.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,153.74 : 6,231.47 = 1,961.27 : x
  2. Step 2: Convert to fraction form
    4,153.74/6,231.47 = 1,961.27/x
  3. Step 3: Cross multiply
    4,153.74x = 6,231.47 × 1,961.27
  4. Step 4: Simplify right side
    4,153.74x = 12,221,585.36
  5. Step 5: Solve for x
    x = 12,221,585.36/4,153.74
  6. Step 6: Final answer
    x = 2,942.31

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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.