Home / 3,629.19-5,441.07-1,872.30

Finding the Fourth Proportional to 3,629.19, 5,441.07 and 1,872.30

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Solution

The fourth proportional to 3,629.19, 5,441.07 and 1,872.30 is: 2,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.19 : 5,441.07 = 1,872.30 : x
  2. Step 2: Convert to fraction form
    3,629.19/5,441.07 = 1,872.30/x
  3. Step 3: Cross multiply
    3,629.19x = 5,441.07 × 1,872.30
  4. Step 4: Simplify right side
    3,629.19x = 10,187,315.36
  5. Step 5: Solve for x
    x = 10,187,315.36/3,629.19
  6. Step 6: Final answer
    x = 2,807.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.