Home / 4,099.70-5,657.58-2,236.70

Finding the Fourth Proportional to 4,099.70, 5,657.58 and 2,236.70

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Solution

The fourth proportional to 4,099.70, 5,657.58 and 2,236.70 is: 3,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.70 : 5,657.58 = 2,236.70 : x
  2. Step 2: Convert to fraction form
    4,099.70/5,657.58 = 2,236.70/x
  3. Step 3: Cross multiply
    4,099.70x = 5,657.58 × 2,236.70
  4. Step 4: Simplify right side
    4,099.70x = 12,654,280.90
  5. Step 5: Solve for x
    x = 12,654,280.90/4,099.70
  6. Step 6: Final answer
    x = 3,086.64

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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.