Home / 2,575.18-3,553.75-1,396.25

Finding the Fourth Proportional to 2,575.18, 3,553.75 and 1,396.25

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Solution

The fourth proportional to 2,575.18, 3,553.75 and 1,396.25 is: 1,926.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.18 : 3,553.75 = 1,396.25 : x
  2. Step 2: Convert to fraction form
    2,575.18/3,553.75 = 1,396.25/x
  3. Step 3: Cross multiply
    2,575.18x = 3,553.75 × 1,396.25
  4. Step 4: Simplify right side
    2,575.18x = 4,961,923.44
  5. Step 5: Solve for x
    x = 4,961,923.44/2,575.18
  6. Step 6: Final answer
    x = 1,926.83

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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.