Home / 3,087.56-4,258.90-2,247.24

Finding the Fourth Proportional to 3,087.56, 4,258.90 and 2,247.24

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Solution

The fourth proportional to 3,087.56, 4,258.90 and 2,247.24 is: 3,099.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.56 : 4,258.90 = 2,247.24 : x
  2. Step 2: Convert to fraction form
    3,087.56/4,258.90 = 2,247.24/x
  3. Step 3: Cross multiply
    3,087.56x = 4,258.90 × 2,247.24
  4. Step 4: Simplify right side
    3,087.56x = 9,570,770.44
  5. Step 5: Solve for x
    x = 9,570,770.44/3,087.56
  6. Step 6: Final answer
    x = 3,099.78

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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.