Home / 3,617.94-4,992.96-2,126.34

Finding the Fourth Proportional to 3,617.94, 4,992.96 and 2,126.34

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Solution

The fourth proportional to 3,617.94, 4,992.96 and 2,126.34 is: 2,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.94 : 4,992.96 = 2,126.34 : x
  2. Step 2: Convert to fraction form
    3,617.94/4,992.96 = 2,126.34/x
  3. Step 3: Cross multiply
    3,617.94x = 4,992.96 × 2,126.34
  4. Step 4: Simplify right side
    3,617.94x = 10,616,730.57
  5. Step 5: Solve for x
    x = 10,616,730.57/3,617.94
  6. Step 6: Final answer
    x = 2,934.47

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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.