Home / 3,629.88-5,005.78-2,437.56

Finding the Fourth Proportional to 3,629.88, 5,005.78 and 2,437.56

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Solution

The fourth proportional to 3,629.88, 5,005.78 and 2,437.56 is: 3,361.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.88 : 5,005.78 = 2,437.56 : x
  2. Step 2: Convert to fraction form
    3,629.88/5,005.78 = 2,437.56/x
  3. Step 3: Cross multiply
    3,629.88x = 5,005.78 × 2,437.56
  4. Step 4: Simplify right side
    3,629.88x = 12,201,889.10
  5. Step 5: Solve for x
    x = 12,201,889.10/3,629.88
  6. Step 6: Final answer
    x = 3,361.51

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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.