Home / 3,682.02-5,084.43-2,505.90

Finding the Fourth Proportional to 3,682.02, 5,084.43 and 2,505.90

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Solution

The fourth proportional to 3,682.02, 5,084.43 and 2,505.90 is: 3,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.02 : 5,084.43 = 2,505.90 : x
  2. Step 2: Convert to fraction form
    3,682.02/5,084.43 = 2,505.90/x
  3. Step 3: Cross multiply
    3,682.02x = 5,084.43 × 2,505.90
  4. Step 4: Simplify right side
    3,682.02x = 12,741,073.14
  5. Step 5: Solve for x
    x = 12,741,073.14/3,682.02
  6. Step 6: Final answer
    x = 3,460.35

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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.