Home / 4,321.37-5,961.62-2,642.85

Finding the Fourth Proportional to 4,321.37, 5,961.62 and 2,642.85

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Solution

The fourth proportional to 4,321.37, 5,961.62 and 2,642.85 is: 3,645.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.37 : 5,961.62 = 2,642.85 : x
  2. Step 2: Convert to fraction form
    4,321.37/5,961.62 = 2,642.85/x
  3. Step 3: Cross multiply
    4,321.37x = 5,961.62 × 2,642.85
  4. Step 4: Simplify right side
    4,321.37x = 15,755,674.02
  5. Step 5: Solve for x
    x = 15,755,674.02/4,321.37
  6. Step 6: Final answer
    x = 3,645.99

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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.