Home / 3,323.06-4,987.66-1,680.76

Finding the Fourth Proportional to 3,323.06, 4,987.66 and 1,680.76

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Solution

The fourth proportional to 3,323.06, 4,987.66 and 1,680.76 is: 2,522.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.06 : 4,987.66 = 1,680.76 : x
  2. Step 2: Convert to fraction form
    3,323.06/4,987.66 = 1,680.76/x
  3. Step 3: Cross multiply
    3,323.06x = 4,987.66 × 1,680.76
  4. Step 4: Simplify right side
    3,323.06x = 8,383,059.42
  5. Step 5: Solve for x
    x = 8,383,059.42/3,323.06
  6. Step 6: Final answer
    x = 2,522.69

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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.