Home / 3,223.36-4,808.36-3,181.12

Finding the Fourth Proportional to 3,223.36, 4,808.36 and 3,181.12

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Solution

The fourth proportional to 3,223.36, 4,808.36 and 3,181.12 is: 4,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.36 : 4,808.36 = 3,181.12 : x
  2. Step 2: Convert to fraction form
    3,223.36/4,808.36 = 3,181.12/x
  3. Step 3: Cross multiply
    3,223.36x = 4,808.36 × 3,181.12
  4. Step 4: Simplify right side
    3,223.36x = 15,295,970.16
  5. Step 5: Solve for x
    x = 15,295,970.16/3,223.36
  6. Step 6: Final answer
    x = 4,745.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.