Home / 3,285.76-4,531.84-3,084.16

Finding the Fourth Proportional to 3,285.76, 4,531.84 and 3,084.16

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Solution

The fourth proportional to 3,285.76, 4,531.84 and 3,084.16 is: 4,253.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.76 : 4,531.84 = 3,084.16 : x
  2. Step 2: Convert to fraction form
    3,285.76/4,531.84 = 3,084.16/x
  3. Step 3: Cross multiply
    3,285.76x = 4,531.84 × 3,084.16
  4. Step 4: Simplify right side
    3,285.76x = 13,976,919.65
  5. Step 5: Solve for x
    x = 13,976,919.65/3,285.76
  6. Step 6: Final answer
    x = 4,253.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.