Home / 3,502.11-4,832.72-2,175.80

Finding the Fourth Proportional to 3,502.11, 4,832.72 and 2,175.80

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Solution

The fourth proportional to 3,502.11, 4,832.72 and 2,175.80 is: 3,002.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.11 : 4,832.72 = 2,175.80 : x
  2. Step 2: Convert to fraction form
    3,502.11/4,832.72 = 2,175.80/x
  3. Step 3: Cross multiply
    3,502.11x = 4,832.72 × 2,175.80
  4. Step 4: Simplify right side
    3,502.11x = 10,515,033.38
  5. Step 5: Solve for x
    x = 10,515,033.38/3,502.11
  6. Step 6: Final answer
    x = 3,002.49

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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.