Home / 3,086.60-4,259.70-2,025

Finding the Fourth Proportional to 3,086.60, 4,259.70 and 2,025

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Solution

The fourth proportional to 3,086.60, 4,259.70 and 2,025 is: 2,794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.60 : 4,259.70 = 2,025 : x
  2. Step 2: Convert to fraction form
    3,086.60/4,259.70 = 2,025/x
  3. Step 3: Cross multiply
    3,086.60x = 4,259.70 × 2,025
  4. Step 4: Simplify right side
    3,086.60x = 8,625,892.50
  5. Step 5: Solve for x
    x = 8,625,892.50/3,086.60
  6. Step 6: Final answer
    x = 2,794.63

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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.