Home / 2,575.07-3,553.57-1,396.13

Finding the Fourth Proportional to 2,575.07, 3,553.57 and 1,396.13

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Solution

The fourth proportional to 2,575.07, 3,553.57 and 1,396.13 is: 1,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.07 : 3,553.57 = 1,396.13 : x
  2. Step 2: Convert to fraction form
    2,575.07/3,553.57 = 1,396.13/x
  3. Step 3: Cross multiply
    2,575.07x = 3,553.57 × 1,396.13
  4. Step 4: Simplify right side
    2,575.07x = 4,961,251.08
  5. Step 5: Solve for x
    x = 4,961,251.08/2,575.07
  6. Step 6: Final answer
    x = 1,926.65

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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.