Home / 3,575.56-4,933.38-2,178.12

Finding the Fourth Proportional to 3,575.56, 4,933.38 and 2,178.12

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Solution

The fourth proportional to 3,575.56, 4,933.38 and 2,178.12 is: 3,005.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.56 : 4,933.38 = 2,178.12 : x
  2. Step 2: Convert to fraction form
    3,575.56/4,933.38 = 2,178.12/x
  3. Step 3: Cross multiply
    3,575.56x = 4,933.38 × 2,178.12
  4. Step 4: Simplify right side
    3,575.56x = 10,745,493.65
  5. Step 5: Solve for x
    x = 10,745,493.65/3,575.56
  6. Step 6: Final answer
    x = 3,005.26

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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.