Home / 3,575.11-4,933.02-2,158.42

Finding the Fourth Proportional to 3,575.11, 4,933.02 and 2,158.42

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Solution

The fourth proportional to 3,575.11, 4,933.02 and 2,158.42 is: 2,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.11 : 4,933.02 = 2,158.42 : x
  2. Step 2: Convert to fraction form
    3,575.11/4,933.02 = 2,158.42/x
  3. Step 3: Cross multiply
    3,575.11x = 4,933.02 × 2,158.42
  4. Step 4: Simplify right side
    3,575.11x = 10,647,529.03
  5. Step 5: Solve for x
    x = 10,647,529.03/3,575.11
  6. Step 6: Final answer
    x = 2,978.24

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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.