Home / 2,311.27-3,466.91-1,994.16

Finding the Fourth Proportional to 2,311.27, 3,466.91 and 1,994.16

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Solution

The fourth proportional to 2,311.27, 3,466.91 and 1,994.16 is: 2,991.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.27 : 3,466.91 = 1,994.16 : x
  2. Step 2: Convert to fraction form
    2,311.27/3,466.91 = 1,994.16/x
  3. Step 3: Cross multiply
    2,311.27x = 3,466.91 × 1,994.16
  4. Step 4: Simplify right side
    2,311.27x = 6,913,573.25
  5. Step 5: Solve for x
    x = 6,913,573.25/2,311.27
  6. Step 6: Final answer
    x = 2,991.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.