Home / 3,608.68-5,412.96-1,143.49

Finding the Fourth Proportional to 3,608.68, 5,412.96 and 1,143.49

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Solution

The fourth proportional to 3,608.68, 5,412.96 and 1,143.49 is: 1,715.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.68 : 5,412.96 = 1,143.49 : x
  2. Step 2: Convert to fraction form
    3,608.68/5,412.96 = 1,143.49/x
  3. Step 3: Cross multiply
    3,608.68x = 5,412.96 × 1,143.49
  4. Step 4: Simplify right side
    3,608.68x = 6,189,665.63
  5. Step 5: Solve for x
    x = 6,189,665.63/3,608.68
  6. Step 6: Final answer
    x = 1,715.22

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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.