Home / 3,625.32-5,003.46-2,742.12

Finding the Fourth Proportional to 3,625.32, 5,003.46 and 2,742.12

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Solution

The fourth proportional to 3,625.32, 5,003.46 and 2,742.12 is: 3,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.32 : 5,003.46 = 2,742.12 : x
  2. Step 2: Convert to fraction form
    3,625.32/5,003.46 = 2,742.12/x
  3. Step 3: Cross multiply
    3,625.32x = 5,003.46 × 2,742.12
  4. Step 4: Simplify right side
    3,625.32x = 13,720,087.74
  5. Step 5: Solve for x
    x = 13,720,087.74/3,625.32
  6. Step 6: Final answer
    x = 3,784.52

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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.