Home / 3,175.48-4,382.18-1,850.10

Finding the Fourth Proportional to 3,175.48, 4,382.18 and 1,850.10

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Solution

The fourth proportional to 3,175.48, 4,382.18 and 1,850.10 is: 2,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.48 : 4,382.18 = 1,850.10 : x
  2. Step 2: Convert to fraction form
    3,175.48/4,382.18 = 1,850.10/x
  3. Step 3: Cross multiply
    3,175.48x = 4,382.18 × 1,850.10
  4. Step 4: Simplify right side
    3,175.48x = 8,107,471.22
  5. Step 5: Solve for x
    x = 8,107,471.22/3,175.48
  6. Step 6: Final answer
    x = 2,553.15

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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.