Home / 3,208.14-4,781.30-3,203.28

Finding the Fourth Proportional to 3,208.14, 4,781.30 and 3,203.28

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Solution

The fourth proportional to 3,208.14, 4,781.30 and 3,203.28 is: 4,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.14 : 4,781.30 = 3,203.28 : x
  2. Step 2: Convert to fraction form
    3,208.14/4,781.30 = 3,203.28/x
  3. Step 3: Cross multiply
    3,208.14x = 4,781.30 × 3,203.28
  4. Step 4: Simplify right side
    3,208.14x = 15,315,826.65
  5. Step 5: Solve for x
    x = 15,315,826.65/3,208.14
  6. Step 6: Final answer
    x = 4,774.05

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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.