Home / 2,631.75-3,946.47-1,169.88

Finding the Fourth Proportional to 2,631.75, 3,946.47 and 1,169.88

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Solution

The fourth proportional to 2,631.75, 3,946.47 and 1,169.88 is: 1,754.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.75 : 3,946.47 = 1,169.88 : x
  2. Step 2: Convert to fraction form
    2,631.75/3,946.47 = 1,169.88/x
  3. Step 3: Cross multiply
    2,631.75x = 3,946.47 × 1,169.88
  4. Step 4: Simplify right side
    2,631.75x = 4,616,896.32
  5. Step 5: Solve for x
    x = 4,616,896.32/2,631.75
  6. Step 6: Final answer
    x = 1,754.31

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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.