Home / 2,389.12-3,584.16-850.08

Finding the Fourth Proportional to 2,389.12, 3,584.16 and 850.08

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Solution

The fourth proportional to 2,389.12, 3,584.16 and 850.08 is: 1,275.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.12 : 3,584.16 = 850.08 : x
  2. Step 2: Convert to fraction form
    2,389.12/3,584.16 = 850.08/x
  3. Step 3: Cross multiply
    2,389.12x = 3,584.16 × 850.08
  4. Step 4: Simplify right side
    2,389.12x = 3,046,822.73
  5. Step 5: Solve for x
    x = 3,046,822.73/2,389.12
  6. Step 6: Final answer
    x = 1,275.29

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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.