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Finding the Fourth Proportional to 1,998.64, 2,995.39 and 1,751.28

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Solution

The fourth proportional to 1,998.64, 2,995.39 and 1,751.28 is: 2,624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998.64 : 2,995.39 = 1,751.28 : x
  2. Step 2: Convert to fraction form
    1,998.64/2,995.39 = 1,751.28/x
  3. Step 3: Cross multiply
    1,998.64x = 2,995.39 × 1,751.28
  4. Step 4: Simplify right side
    1,998.64x = 5,245,766.60
  5. Step 5: Solve for x
    x = 5,245,766.60/1,998.64
  6. Step 6: Final answer
    x = 2,624.67

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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.