Home / 3,557.20-5,336.60-2,095.60

Finding the Fourth Proportional to 3,557.20, 5,336.60 and 2,095.60

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Solution

The fourth proportional to 3,557.20, 5,336.60 and 2,095.60 is: 3,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.20 : 5,336.60 = 2,095.60 : x
  2. Step 2: Convert to fraction form
    3,557.20/5,336.60 = 2,095.60/x
  3. Step 3: Cross multiply
    3,557.20x = 5,336.60 × 2,095.60
  4. Step 4: Simplify right side
    3,557.20x = 11,183,378.96
  5. Step 5: Solve for x
    x = 11,183,378.96/3,557.20
  6. Step 6: Final answer
    x = 3,143.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.