Home / 2,631.63-3,952.29-1,766.55

Finding the Fourth Proportional to 2,631.63, 3,952.29 and 1,766.55

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Solution

The fourth proportional to 2,631.63, 3,952.29 and 1,766.55 is: 2,653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.63 : 3,952.29 = 1,766.55 : x
  2. Step 2: Convert to fraction form
    2,631.63/3,952.29 = 1,766.55/x
  3. Step 3: Cross multiply
    2,631.63x = 3,952.29 × 1,766.55
  4. Step 4: Simplify right side
    2,631.63x = 6,981,917.90
  5. Step 5: Solve for x
    x = 6,981,917.90/2,631.63
  6. Step 6: Final answer
    x = 2,653.08

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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.