Home / 3,629.44-5,011.44-2,788.81

Finding the Fourth Proportional to 3,629.44, 5,011.44 and 2,788.81

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Solution

The fourth proportional to 3,629.44, 5,011.44 and 2,788.81 is: 3,850.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.44 : 5,011.44 = 2,788.81 : x
  2. Step 2: Convert to fraction form
    3,629.44/5,011.44 = 2,788.81/x
  3. Step 3: Cross multiply
    3,629.44x = 5,011.44 × 2,788.81
  4. Step 4: Simplify right side
    3,629.44x = 13,975,953.99
  5. Step 5: Solve for x
    x = 13,975,953.99/3,629.44
  6. Step 6: Final answer
    x = 3,850.72

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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.