Home / 2,859.15-4,286.02-1,008.99

Finding the Fourth Proportional to 2,859.15, 4,286.02 and 1,008.99

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Solution

The fourth proportional to 2,859.15, 4,286.02 and 1,008.99 is: 1,512.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.15 : 4,286.02 = 1,008.99 : x
  2. Step 2: Convert to fraction form
    2,859.15/4,286.02 = 1,008.99/x
  3. Step 3: Cross multiply
    2,859.15x = 4,286.02 × 1,008.99
  4. Step 4: Simplify right side
    2,859.15x = 4,324,546.27
  5. Step 5: Solve for x
    x = 4,324,546.27/2,859.15
  6. Step 6: Final answer
    x = 1,512.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.