Home / 3,152.46-4,723.81-2,165.75

Finding the Fourth Proportional to 3,152.46, 4,723.81 and 2,165.75

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Solution

The fourth proportional to 3,152.46, 4,723.81 and 2,165.75 is: 3,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.46 : 4,723.81 = 2,165.75 : x
  2. Step 2: Convert to fraction form
    3,152.46/4,723.81 = 2,165.75/x
  3. Step 3: Cross multiply
    3,152.46x = 4,723.81 × 2,165.75
  4. Step 4: Simplify right side
    3,152.46x = 10,230,562.47
  5. Step 5: Solve for x
    x = 10,230,562.47/3,152.46
  6. Step 6: Final answer
    x = 3,245.27

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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.