Home / 2,631.50-3,632.84-1,922.55

Finding the Fourth Proportional to 2,631.50, 3,632.84 and 1,922.55

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Solution

The fourth proportional to 2,631.50, 3,632.84 and 1,922.55 is: 2,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.50 : 3,632.84 = 1,922.55 : x
  2. Step 2: Convert to fraction form
    2,631.50/3,632.84 = 1,922.55/x
  3. Step 3: Cross multiply
    2,631.50x = 3,632.84 × 1,922.55
  4. Step 4: Simplify right side
    2,631.50x = 6,984,293.31
  5. Step 5: Solve for x
    x = 6,984,293.31/2,631.50
  6. Step 6: Final answer
    x = 2,654.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.