Home / 3,216.46-4,825.53-1,025.20

Finding the Fourth Proportional to 3,216.46, 4,825.53 and 1,025.20

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Solution

The fourth proportional to 3,216.46, 4,825.53 and 1,025.20 is: 1,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.46 : 4,825.53 = 1,025.20 : x
  2. Step 2: Convert to fraction form
    3,216.46/4,825.53 = 1,025.20/x
  3. Step 3: Cross multiply
    3,216.46x = 4,825.53 × 1,025.20
  4. Step 4: Simplify right side
    3,216.46x = 4,947,133.36
  5. Step 5: Solve for x
    x = 4,947,133.36/3,216.46
  6. Step 6: Final answer
    x = 1,538.07

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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.