Home / 3,844.84-5,305.90-2,166.32

Finding the Fourth Proportional to 3,844.84, 5,305.90 and 2,166.32

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Solution

The fourth proportional to 3,844.84, 5,305.90 and 2,166.32 is: 2,989.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.84 : 5,305.90 = 2,166.32 : x
  2. Step 2: Convert to fraction form
    3,844.84/5,305.90 = 2,166.32/x
  3. Step 3: Cross multiply
    3,844.84x = 5,305.90 × 2,166.32
  4. Step 4: Simplify right side
    3,844.84x = 11,494,277.29
  5. Step 5: Solve for x
    x = 11,494,277.29/3,844.84
  6. Step 6: Final answer
    x = 2,989.53

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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.