Home / 3,863.10-5,331.08-2,094.68

Finding the Fourth Proportional to 3,863.10, 5,331.08 and 2,094.68

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Solution

The fourth proportional to 3,863.10, 5,331.08 and 2,094.68 is: 2,890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.10 : 5,331.08 = 2,094.68 : x
  2. Step 2: Convert to fraction form
    3,863.10/5,331.08 = 2,094.68/x
  3. Step 3: Cross multiply
    3,863.10x = 5,331.08 × 2,094.68
  4. Step 4: Simplify right side
    3,863.10x = 11,166,906.65
  5. Step 5: Solve for x
    x = 11,166,906.65/3,863.10
  6. Step 6: Final answer
    x = 2,890.66

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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.