Home / 3,608.53-5,412.34-1,143.61

Finding the Fourth Proportional to 3,608.53, 5,412.34 and 1,143.61

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Solution

The fourth proportional to 3,608.53, 5,412.34 and 1,143.61 is: 1,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.53 : 5,412.34 = 1,143.61 : x
  2. Step 2: Convert to fraction form
    3,608.53/5,412.34 = 1,143.61/x
  3. Step 3: Cross multiply
    3,608.53x = 5,412.34 × 1,143.61
  4. Step 4: Simplify right side
    3,608.53x = 6,189,606.15
  5. Step 5: Solve for x
    x = 6,189,606.15/3,608.53
  6. Step 6: Final answer
    x = 1,715.27

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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.