Home / 3,617.62-4,992.34-2,126.02

Finding the Fourth Proportional to 3,617.62, 4,992.34 and 2,126.02

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Solution

The fourth proportional to 3,617.62, 4,992.34 and 2,126.02 is: 2,933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.62 : 4,992.34 = 2,126.02 : x
  2. Step 2: Convert to fraction form
    3,617.62/4,992.34 = 2,126.02/x
  3. Step 3: Cross multiply
    3,617.62x = 4,992.34 × 2,126.02
  4. Step 4: Simplify right side
    3,617.62x = 10,613,814.69
  5. Step 5: Solve for x
    x = 10,613,814.69/3,617.62
  6. Step 6: Final answer
    x = 2,933.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.