Home / 2,538.20-3,800.79-1,757.09

Finding the Fourth Proportional to 2,538.20, 3,800.79 and 1,757.09

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Solution

The fourth proportional to 2,538.20, 3,800.79 and 1,757.09 is: 2,631.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.20 : 3,800.79 = 1,757.09 : x
  2. Step 2: Convert to fraction form
    2,538.20/3,800.79 = 1,757.09/x
  3. Step 3: Cross multiply
    2,538.20x = 3,800.79 × 1,757.09
  4. Step 4: Simplify right side
    2,538.20x = 6,678,339.60
  5. Step 5: Solve for x
    x = 6,678,339.60/2,538.20
  6. Step 6: Final answer
    x = 2,631.13

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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.