Home / 3,823.17-5,278.28-2,499.09

Finding the Fourth Proportional to 3,823.17, 5,278.28 and 2,499.09

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Solution

The fourth proportional to 3,823.17, 5,278.28 and 2,499.09 is: 3,450.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.17 : 5,278.28 = 2,499.09 : x
  2. Step 2: Convert to fraction form
    3,823.17/5,278.28 = 2,499.09/x
  3. Step 3: Cross multiply
    3,823.17x = 5,278.28 × 2,499.09
  4. Step 4: Simplify right side
    3,823.17x = 13,190,884.27
  5. Step 5: Solve for x
    x = 13,190,884.27/3,823.17
  6. Step 6: Final answer
    x = 3,450.25

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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.