Home / 3,629.21-5,008.31-2,057.30

Finding the Fourth Proportional to 3,629.21, 5,008.31 and 2,057.30

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Solution

The fourth proportional to 3,629.21, 5,008.31 and 2,057.30 is: 2,839.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.21 : 5,008.31 = 2,057.30 : x
  2. Step 2: Convert to fraction form
    3,629.21/5,008.31 = 2,057.30/x
  3. Step 3: Cross multiply
    3,629.21x = 5,008.31 × 2,057.30
  4. Step 4: Simplify right side
    3,629.21x = 10,303,606.11
  5. Step 5: Solve for x
    x = 10,303,606.11/3,629.21
  6. Step 6: Final answer
    x = 2,839.08

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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.