Home / 3,175.02-4,381-1,995.25

Finding the Fourth Proportional to 3,175.02, 4,381 and 1,995.25

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Solution

The fourth proportional to 3,175.02, 4,381 and 1,995.25 is: 2,753.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.02 : 4,381 = 1,995.25 : x
  2. Step 2: Convert to fraction form
    3,175.02/4,381 = 1,995.25/x
  3. Step 3: Cross multiply
    3,175.02x = 4,381 × 1,995.25
  4. Step 4: Simplify right side
    3,175.02x = 8,741,190.25
  5. Step 5: Solve for x
    x = 8,741,190.25/3,175.02
  6. Step 6: Final answer
    x = 2,753.12

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Double scale
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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.