Home / 3,892.35-5,364.99-2,756.53

Finding the Fourth Proportional to 3,892.35, 5,364.99 and 2,756.53

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Solution

The fourth proportional to 3,892.35, 5,364.99 and 2,756.53 is: 3,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.35 : 5,364.99 = 2,756.53 : x
  2. Step 2: Convert to fraction form
    3,892.35/5,364.99 = 2,756.53/x
  3. Step 3: Cross multiply
    3,892.35x = 5,364.99 × 2,756.53
  4. Step 4: Simplify right side
    3,892.35x = 14,788,755.88
  5. Step 5: Solve for x
    x = 14,788,755.88/3,892.35
  6. Step 6: Final answer
    x = 3,799.44

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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.