Home / 4,193.90-5,787.69-2,305.59

Finding the Fourth Proportional to 4,193.90, 5,787.69 and 2,305.59

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Solution

The fourth proportional to 4,193.90, 5,787.69 and 2,305.59 is: 3,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.90 : 5,787.69 = 2,305.59 : x
  2. Step 2: Convert to fraction form
    4,193.90/5,787.69 = 2,305.59/x
  3. Step 3: Cross multiply
    4,193.90x = 5,787.69 × 2,305.59
  4. Step 4: Simplify right side
    4,193.90x = 13,344,040.19
  5. Step 5: Solve for x
    x = 13,344,040.19/4,193.90
  6. Step 6: Final answer
    x = 3,181.78

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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.