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Finding the Fourth Proportional to 2,859.73, 4,284.06 and 1,623.40

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Solution

The fourth proportional to 2,859.73, 4,284.06 and 1,623.40 is: 2,431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.73 : 4,284.06 = 1,623.40 : x
  2. Step 2: Convert to fraction form
    2,859.73/4,284.06 = 1,623.40/x
  3. Step 3: Cross multiply
    2,859.73x = 4,284.06 × 1,623.40
  4. Step 4: Simplify right side
    2,859.73x = 6,954,743.00
  5. Step 5: Solve for x
    x = 6,954,743.00/2,859.73
  6. Step 6: Final answer
    x = 2,431.96

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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.