Home / 3,608.38-5,412.72-1,143.14

Finding the Fourth Proportional to 3,608.38, 5,412.72 and 1,143.14

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Solution

The fourth proportional to 3,608.38, 5,412.72 and 1,143.14 is: 1,714.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.38 : 5,412.72 = 1,143.14 : x
  2. Step 2: Convert to fraction form
    3,608.38/5,412.72 = 1,143.14/x
  3. Step 3: Cross multiply
    3,608.38x = 5,412.72 × 1,143.14
  4. Step 4: Simplify right side
    3,608.38x = 6,187,524.71
  5. Step 5: Solve for x
    x = 6,187,524.71/3,608.38
  6. Step 6: Final answer
    x = 1,714.77

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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.