Home / 3,604.08-5,427.32-3,147.32

Finding the Fourth Proportional to 3,604.08, 5,427.32 and 3,147.32

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Solution

The fourth proportional to 3,604.08, 5,427.32 and 3,147.32 is: 4,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.08 : 5,427.32 = 3,147.32 : x
  2. Step 2: Convert to fraction form
    3,604.08/5,427.32 = 3,147.32/x
  3. Step 3: Cross multiply
    3,604.08x = 5,427.32 × 3,147.32
  4. Step 4: Simplify right side
    3,604.08x = 17,081,512.78
  5. Step 5: Solve for x
    x = 17,081,512.78/3,604.08
  6. Step 6: Final answer
    x = 4,739.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.