Home / 3,555.70-5,334.46-1,608.05

Finding the Fourth Proportional to 3,555.70, 5,334.46 and 1,608.05

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Solution

The fourth proportional to 3,555.70, 5,334.46 and 1,608.05 is: 2,412.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.70 : 5,334.46 = 1,608.05 : x
  2. Step 2: Convert to fraction form
    3,555.70/5,334.46 = 1,608.05/x
  3. Step 3: Cross multiply
    3,555.70x = 5,334.46 × 1,608.05
  4. Step 4: Simplify right side
    3,555.70x = 8,578,087.72
  5. Step 5: Solve for x
    x = 8,578,087.72/3,555.70
  6. Step 6: Final answer
    x = 2,412.49

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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.