Home / 3,284.79-4,531.23-2,087.61

Finding the Fourth Proportional to 3,284.79, 4,531.23 and 2,087.61

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Solution

The fourth proportional to 3,284.79, 4,531.23 and 2,087.61 is: 2,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.79 : 4,531.23 = 2,087.61 : x
  2. Step 2: Convert to fraction form
    3,284.79/4,531.23 = 2,087.61/x
  3. Step 3: Cross multiply
    3,284.79x = 4,531.23 × 2,087.61
  4. Step 4: Simplify right side
    3,284.79x = 9,459,441.06
  5. Step 5: Solve for x
    x = 9,459,441.06/3,284.79
  6. Step 6: Final answer
    x = 2,879.77

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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.