Home / 4,103.21-5,663.16-2,311.49

Finding the Fourth Proportional to 4,103.21, 5,663.16 and 2,311.49

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Solution

The fourth proportional to 4,103.21, 5,663.16 and 2,311.49 is: 3,190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.21 : 5,663.16 = 2,311.49 : x
  2. Step 2: Convert to fraction form
    4,103.21/5,663.16 = 2,311.49/x
  3. Step 3: Cross multiply
    4,103.21x = 5,663.16 × 2,311.49
  4. Step 4: Simplify right side
    4,103.21x = 13,090,351.87
  5. Step 5: Solve for x
    x = 13,090,351.87/4,103.21
  6. Step 6: Final answer
    x = 3,190.27

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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.