Home / 3,112.30-4,292.83-2,599.86

Finding the Fourth Proportional to 3,112.30, 4,292.83 and 2,599.86

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Solution

The fourth proportional to 3,112.30, 4,292.83 and 2,599.86 is: 3,586.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.30 : 4,292.83 = 2,599.86 : x
  2. Step 2: Convert to fraction form
    3,112.30/4,292.83 = 2,599.86/x
  3. Step 3: Cross multiply
    3,112.30x = 4,292.83 × 2,599.86
  4. Step 4: Simplify right side
    3,112.30x = 11,160,757.00
  5. Step 5: Solve for x
    x = 11,160,757.00/3,112.30
  6. Step 6: Final answer
    x = 3,586.02

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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.