Home / 3,097.90-4,272.60-2,724.10

Finding the Fourth Proportional to 3,097.90, 4,272.60 and 2,724.10

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Solution

The fourth proportional to 3,097.90, 4,272.60 and 2,724.10 is: 3,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.90 : 4,272.60 = 2,724.10 : x
  2. Step 2: Convert to fraction form
    3,097.90/4,272.60 = 2,724.10/x
  3. Step 3: Cross multiply
    3,097.90x = 4,272.60 × 2,724.10
  4. Step 4: Simplify right side
    3,097.90x = 11,638,989.66
  5. Step 5: Solve for x
    x = 11,638,989.66/3,097.90
  6. Step 6: Final answer
    x = 3,757.06

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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.