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Finding the Fourth Proportional to 2,867.00, 4,300.49 and 1,771.74

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Solution

The fourth proportional to 2,867.00, 4,300.49 and 1,771.74 is: 2,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.00 : 4,300.49 = 1,771.74 : x
  2. Step 2: Convert to fraction form
    2,867.00/4,300.49 = 1,771.74/x
  3. Step 3: Cross multiply
    2,867.00x = 4,300.49 × 1,771.74
  4. Step 4: Simplify right side
    2,867.00x = 7,619,354.58
  5. Step 5: Solve for x
    x = 7,619,354.58/2,867.00
  6. Step 6: Final answer
    x = 2,657.61

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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.