Home / 3,216.08-4,825.20-1,025.12

Finding the Fourth Proportional to 3,216.08, 4,825.20 and 1,025.12

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Solution

The fourth proportional to 3,216.08, 4,825.20 and 1,025.12 is: 1,538.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.08 : 4,825.20 = 1,025.12 : x
  2. Step 2: Convert to fraction form
    3,216.08/4,825.20 = 1,025.12/x
  3. Step 3: Cross multiply
    3,216.08x = 4,825.20 × 1,025.12
  4. Step 4: Simplify right side
    3,216.08x = 4,946,409.02
  5. Step 5: Solve for x
    x = 4,946,409.02/3,216.08
  6. Step 6: Final answer
    x = 1,538.02

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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.