Home / 3,851.28-5,313.60-2,673.54

Finding the Fourth Proportional to 3,851.28, 5,313.60 and 2,673.54

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Solution

The fourth proportional to 3,851.28, 5,313.60 and 2,673.54 is: 3,688.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.28 : 5,313.60 = 2,673.54 : x
  2. Step 2: Convert to fraction form
    3,851.28/5,313.60 = 2,673.54/x
  3. Step 3: Cross multiply
    3,851.28x = 5,313.60 × 2,673.54
  4. Step 4: Simplify right side
    3,851.28x = 14,206,122.14
  5. Step 5: Solve for x
    x = 14,206,122.14/3,851.28
  6. Step 6: Final answer
    x = 3,688.68

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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.