Home / 3,015.20-4,152.26-2,453.86

Finding the Fourth Proportional to 3,015.20, 4,152.26 and 2,453.86

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Solution

The fourth proportional to 3,015.20, 4,152.26 and 2,453.86 is: 3,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.20 : 4,152.26 = 2,453.86 : x
  2. Step 2: Convert to fraction form
    3,015.20/4,152.26 = 2,453.86/x
  3. Step 3: Cross multiply
    3,015.20x = 4,152.26 × 2,453.86
  4. Step 4: Simplify right side
    3,015.20x = 10,189,064.72
  5. Step 5: Solve for x
    x = 10,189,064.72/3,015.20
  6. Step 6: Final answer
    x = 3,379.23

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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.