Home / 3,118.26-4,305.06-2,057.70

Finding the Fourth Proportional to 3,118.26, 4,305.06 and 2,057.70

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Solution

The fourth proportional to 3,118.26, 4,305.06 and 2,057.70 is: 2,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.26 : 4,305.06 = 2,057.70 : x
  2. Step 2: Convert to fraction form
    3,118.26/4,305.06 = 2,057.70/x
  3. Step 3: Cross multiply
    3,118.26x = 4,305.06 × 2,057.70
  4. Step 4: Simplify right side
    3,118.26x = 8,858,521.96
  5. Step 5: Solve for x
    x = 8,858,521.96/3,118.26
  6. Step 6: Final answer
    x = 2,840.85

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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.