Home / 3,660.37-5,489.95-1,028.05

Finding the Fourth Proportional to 3,660.37, 5,489.95 and 1,028.05

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Solution

The fourth proportional to 3,660.37, 5,489.95 and 1,028.05 is: 1,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.37 : 5,489.95 = 1,028.05 : x
  2. Step 2: Convert to fraction form
    3,660.37/5,489.95 = 1,028.05/x
  3. Step 3: Cross multiply
    3,660.37x = 5,489.95 × 1,028.05
  4. Step 4: Simplify right side
    3,660.37x = 5,643,929.37
  5. Step 5: Solve for x
    x = 5,643,929.37/3,660.37
  6. Step 6: Final answer
    x = 1,541.90

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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.