Home / 3,863.31-5,331.40-2,094.90

Finding the Fourth Proportional to 3,863.31, 5,331.40 and 2,094.90

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Solution

The fourth proportional to 3,863.31, 5,331.40 and 2,094.90 is: 2,890.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.31 : 5,331.40 = 2,094.90 : x
  2. Step 2: Convert to fraction form
    3,863.31/5,331.40 = 2,094.90/x
  3. Step 3: Cross multiply
    3,863.31x = 5,331.40 × 2,094.90
  4. Step 4: Simplify right side
    3,863.31x = 11,168,749.86
  5. Step 5: Solve for x
    x = 11,168,749.86/3,863.31
  6. Step 6: Final answer
    x = 2,890.98

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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.