Home / 3,613.37-5,412.15-2,149.29

Finding the Fourth Proportional to 3,613.37, 5,412.15 and 2,149.29

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Solution

The fourth proportional to 3,613.37, 5,412.15 and 2,149.29 is: 3,219.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.37 : 5,412.15 = 2,149.29 : x
  2. Step 2: Convert to fraction form
    3,613.37/5,412.15 = 2,149.29/x
  3. Step 3: Cross multiply
    3,613.37x = 5,412.15 × 2,149.29
  4. Step 4: Simplify right side
    3,613.37x = 11,632,279.87
  5. Step 5: Solve for x
    x = 11,632,279.87/3,613.37
  6. Step 6: Final answer
    x = 3,219.24

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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.