Home / 2,797.38-3,858.57-1,747.62

Finding the Fourth Proportional to 2,797.38, 3,858.57 and 1,747.62

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Solution

The fourth proportional to 2,797.38, 3,858.57 and 1,747.62 is: 2,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.38 : 3,858.57 = 1,747.62 : x
  2. Step 2: Convert to fraction form
    2,797.38/3,858.57 = 1,747.62/x
  3. Step 3: Cross multiply
    2,797.38x = 3,858.57 × 1,747.62
  4. Step 4: Simplify right side
    2,797.38x = 6,743,314.10
  5. Step 5: Solve for x
    x = 6,743,314.10/2,797.38
  6. Step 6: Final answer
    x = 2,410.58

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1.5x scale

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.