Home / 4,118.97-5,686.81-2,705.16

Finding the Fourth Proportional to 4,118.97, 5,686.81 and 2,705.16

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Solution

The fourth proportional to 4,118.97, 5,686.81 and 2,705.16 is: 3,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.97 : 5,686.81 = 2,705.16 : x
  2. Step 2: Convert to fraction form
    4,118.97/5,686.81 = 2,705.16/x
  3. Step 3: Cross multiply
    4,118.97x = 5,686.81 × 2,705.16
  4. Step 4: Simplify right side
    4,118.97x = 15,383,745.50
  5. Step 5: Solve for x
    x = 15,383,745.50/4,118.97
  6. Step 6: Final answer
    x = 3,734.85

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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.