Home / 4,091.24-5,646.99-2,520.64

Finding the Fourth Proportional to 4,091.24, 5,646.99 and 2,520.64

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Solution

The fourth proportional to 4,091.24, 5,646.99 and 2,520.64 is: 3,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.24 : 5,646.99 = 2,520.64 : x
  2. Step 2: Convert to fraction form
    4,091.24/5,646.99 = 2,520.64/x
  3. Step 3: Cross multiply
    4,091.24x = 5,646.99 × 2,520.64
  4. Step 4: Simplify right side
    4,091.24x = 14,234,028.87
  5. Step 5: Solve for x
    x = 14,234,028.87/4,091.24
  6. Step 6: Final answer
    x = 3,479.15

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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.