Home / 2,885.28-3,956.16-2,604.48

Finding the Fourth Proportional to 2,885.28, 3,956.16 and 2,604.48

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Solution

The fourth proportional to 2,885.28, 3,956.16 and 2,604.48 is: 3,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.28 : 3,956.16 = 2,604.48 : x
  2. Step 2: Convert to fraction form
    2,885.28/3,956.16 = 2,604.48/x
  3. Step 3: Cross multiply
    2,885.28x = 3,956.16 × 2,604.48
  4. Step 4: Simplify right side
    2,885.28x = 10,303,739.60
  5. Step 5: Solve for x
    x = 10,303,739.60/2,885.28
  6. Step 6: Final answer
    x = 3,571.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.