Home / 3,557.91-5,340.82-2,098.09

Finding the Fourth Proportional to 3,557.91, 5,340.82 and 2,098.09

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Solution

The fourth proportional to 3,557.91, 5,340.82 and 2,098.09 is: 3,149.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.91 : 5,340.82 = 2,098.09 : x
  2. Step 2: Convert to fraction form
    3,557.91/5,340.82 = 2,098.09/x
  3. Step 3: Cross multiply
    3,557.91x = 5,340.82 × 2,098.09
  4. Step 4: Simplify right side
    3,557.91x = 11,205,521.03
  5. Step 5: Solve for x
    x = 11,205,521.03/3,557.91
  6. Step 6: Final answer
    x = 3,149.47

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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.