Home / 3,892.37-5,363.77-2,770.17

Finding the Fourth Proportional to 3,892.37, 5,363.77 and 2,770.17

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Solution

The fourth proportional to 3,892.37, 5,363.77 and 2,770.17 is: 3,817.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.37 : 5,363.77 = 2,770.17 : x
  2. Step 2: Convert to fraction form
    3,892.37/5,363.77 = 2,770.17/x
  3. Step 3: Cross multiply
    3,892.37x = 5,363.77 × 2,770.17
  4. Step 4: Simplify right side
    3,892.37x = 14,858,532.90
  5. Step 5: Solve for x
    x = 14,858,532.90/3,892.37
  6. Step 6: Final answer
    x = 3,817.35

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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.