Home / 3,125.45-4,313.85-2,063.41

Finding the Fourth Proportional to 3,125.45, 4,313.85 and 2,063.41

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Solution

The fourth proportional to 3,125.45, 4,313.85 and 2,063.41 is: 2,847.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.45 : 4,313.85 = 2,063.41 : x
  2. Step 2: Convert to fraction form
    3,125.45/4,313.85 = 2,063.41/x
  3. Step 3: Cross multiply
    3,125.45x = 4,313.85 × 2,063.41
  4. Step 4: Simplify right side
    3,125.45x = 8,901,241.23
  5. Step 5: Solve for x
    x = 8,901,241.23/3,125.45
  6. Step 6: Final answer
    x = 2,847.99

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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.