Home / 3,883.30-5,358.96-2,114.86

Finding the Fourth Proportional to 3,883.30, 5,358.96 and 2,114.86

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Solution

The fourth proportional to 3,883.30, 5,358.96 and 2,114.86 is: 2,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.30 : 5,358.96 = 2,114.86 : x
  2. Step 2: Convert to fraction form
    3,883.30/5,358.96 = 2,114.86/x
  3. Step 3: Cross multiply
    3,883.30x = 5,358.96 × 2,114.86
  4. Step 4: Simplify right side
    3,883.30x = 11,333,450.15
  5. Step 5: Solve for x
    x = 11,333,450.15/3,883.30
  6. Step 6: Final answer
    x = 2,918.51

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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.