Home / 3,208.48-4,820.84-3,078.88

Finding the Fourth Proportional to 3,208.48, 4,820.84 and 3,078.88

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Solution

The fourth proportional to 3,208.48, 4,820.84 and 3,078.88 is: 4,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.48 : 4,820.84 = 3,078.88 : x
  2. Step 2: Convert to fraction form
    3,208.48/4,820.84 = 3,078.88/x
  3. Step 3: Cross multiply
    3,208.48x = 4,820.84 × 3,078.88
  4. Step 4: Simplify right side
    3,208.48x = 14,842,787.86
  5. Step 5: Solve for x
    x = 14,842,787.86/3,208.48
  6. Step 6: Final answer
    x = 4,626.11

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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.