Home / 3,465.46-5,190.60-2,228.86

Finding the Fourth Proportional to 3,465.46, 5,190.60 and 2,228.86

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Solution

The fourth proportional to 3,465.46, 5,190.60 and 2,228.86 is: 3,338.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.46 : 5,190.60 = 2,228.86 : x
  2. Step 2: Convert to fraction form
    3,465.46/5,190.60 = 2,228.86/x
  3. Step 3: Cross multiply
    3,465.46x = 5,190.60 × 2,228.86
  4. Step 4: Simplify right side
    3,465.46x = 11,569,120.72
  5. Step 5: Solve for x
    x = 11,569,120.72/3,465.46
  6. Step 6: Final answer
    x = 3,338.41

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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.