Home / 3,608.28-5,376.48-3,220.56

Finding the Fourth Proportional to 3,608.28, 5,376.48 and 3,220.56

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Solution

The fourth proportional to 3,608.28, 5,376.48 and 3,220.56 is: 4,798.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.28 : 5,376.48 = 3,220.56 : x
  2. Step 2: Convert to fraction form
    3,608.28/5,376.48 = 3,220.56/x
  3. Step 3: Cross multiply
    3,608.28x = 5,376.48 × 3,220.56
  4. Step 4: Simplify right side
    3,608.28x = 17,315,276.43
  5. Step 5: Solve for x
    x = 17,315,276.43/3,608.28
  6. Step 6: Final answer
    x = 4,798.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.