Home / 3,759.23-5,188.12-2,165.94

Finding the Fourth Proportional to 3,759.23, 5,188.12 and 2,165.94

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Solution

The fourth proportional to 3,759.23, 5,188.12 and 2,165.94 is: 2,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.23 : 5,188.12 = 2,165.94 : x
  2. Step 2: Convert to fraction form
    3,759.23/5,188.12 = 2,165.94/x
  3. Step 3: Cross multiply
    3,759.23x = 5,188.12 × 2,165.94
  4. Step 4: Simplify right side
    3,759.23x = 11,237,119.86
  5. Step 5: Solve for x
    x = 11,237,119.86/3,759.23
  6. Step 6: Final answer
    x = 2,989.21

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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.