Home / 3,617.88-4,992.70-2,126.26

Finding the Fourth Proportional to 3,617.88, 4,992.70 and 2,126.26

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Solution

The fourth proportional to 3,617.88, 4,992.70 and 2,126.26 is: 2,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.88 : 4,992.70 = 2,126.26 : x
  2. Step 2: Convert to fraction form
    3,617.88/4,992.70 = 2,126.26/x
  3. Step 3: Cross multiply
    3,617.88x = 4,992.70 × 2,126.26
  4. Step 4: Simplify right side
    3,617.88x = 10,615,778.30
  5. Step 5: Solve for x
    x = 10,615,778.30/3,617.88
  6. Step 6: Final answer
    x = 2,934.25

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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.