Home / 2,994.13-4,131.66-1,815.85

Finding the Fourth Proportional to 2,994.13, 4,131.66 and 1,815.85

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Solution

The fourth proportional to 2,994.13, 4,131.66 and 1,815.85 is: 2,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.13 : 4,131.66 = 1,815.85 : x
  2. Step 2: Convert to fraction form
    2,994.13/4,131.66 = 1,815.85/x
  3. Step 3: Cross multiply
    2,994.13x = 4,131.66 × 1,815.85
  4. Step 4: Simplify right side
    2,994.13x = 7,502,474.81
  5. Step 5: Solve for x
    x = 7,502,474.81/2,994.13
  6. Step 6: Final answer
    x = 2,505.73

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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.