Home / 3,994.95-5,513.31-2,226.90

Finding the Fourth Proportional to 3,994.95, 5,513.31 and 2,226.90

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Solution

The fourth proportional to 3,994.95, 5,513.31 and 2,226.90 is: 3,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.95 : 5,513.31 = 2,226.90 : x
  2. Step 2: Convert to fraction form
    3,994.95/5,513.31 = 2,226.90/x
  3. Step 3: Cross multiply
    3,994.95x = 5,513.31 × 2,226.90
  4. Step 4: Simplify right side
    3,994.95x = 12,277,590.04
  5. Step 5: Solve for x
    x = 12,277,590.04/3,994.95
  6. Step 6: Final answer
    x = 3,073.28

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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.