Home / 3,275.28-4,908.60-1,328.94

Finding the Fourth Proportional to 3,275.28, 4,908.60 and 1,328.94

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Solution

The fourth proportional to 3,275.28, 4,908.60 and 1,328.94 is: 1,991.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.28 : 4,908.60 = 1,328.94 : x
  2. Step 2: Convert to fraction form
    3,275.28/4,908.60 = 1,328.94/x
  3. Step 3: Cross multiply
    3,275.28x = 4,908.60 × 1,328.94
  4. Step 4: Simplify right side
    3,275.28x = 6,523,234.88
  5. Step 5: Solve for x
    x = 6,523,234.88/3,275.28
  6. Step 6: Final answer
    x = 1,991.66

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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.