Home / 3,263.28-4,890.12-2,571.64

Finding the Fourth Proportional to 3,263.28, 4,890.12 and 2,571.64

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Solution

The fourth proportional to 3,263.28, 4,890.12 and 2,571.64 is: 3,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.28 : 4,890.12 = 2,571.64 : x
  2. Step 2: Convert to fraction form
    3,263.28/4,890.12 = 2,571.64/x
  3. Step 3: Cross multiply
    3,263.28x = 4,890.12 × 2,571.64
  4. Step 4: Simplify right side
    3,263.28x = 12,575,628.20
  5. Step 5: Solve for x
    x = 12,575,628.20/3,263.28
  6. Step 6: Final answer
    x = 3,853.68

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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.