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Finding the Fourth Proportional to 4,205.44, 5,805.44 and 2,994.91

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Solution

The fourth proportional to 4,205.44, 5,805.44 and 2,994.91 is: 4,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.44 : 5,805.44 = 2,994.91 : x
  2. Step 2: Convert to fraction form
    4,205.44/5,805.44 = 2,994.91/x
  3. Step 3: Cross multiply
    4,205.44x = 5,805.44 × 2,994.91
  4. Step 4: Simplify right side
    4,205.44x = 17,386,770.31
  5. Step 5: Solve for x
    x = 17,386,770.31/4,205.44
  6. Step 6: Final answer
    x = 4,134.35

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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.