Home / 3,851.92-5,313.20-2,525.71

Finding the Fourth Proportional to 3,851.92, 5,313.20 and 2,525.71

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Solution

The fourth proportional to 3,851.92, 5,313.20 and 2,525.71 is: 3,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.92 : 5,313.20 = 2,525.71 : x
  2. Step 2: Convert to fraction form
    3,851.92/5,313.20 = 2,525.71/x
  3. Step 3: Cross multiply
    3,851.92x = 5,313.20 × 2,525.71
  4. Step 4: Simplify right side
    3,851.92x = 13,419,563.18
  5. Step 5: Solve for x
    x = 13,419,563.18/3,851.92
  6. Step 6: Final answer
    x = 3,483.87

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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.