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Finding the Fourth Proportional to 3,973.56, 5,958.02 and 1,199.40

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Solution

The fourth proportional to 3,973.56, 5,958.02 and 1,199.40 is: 1,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.56 : 5,958.02 = 1,199.40 : x
  2. Step 2: Convert to fraction form
    3,973.56/5,958.02 = 1,199.40/x
  3. Step 3: Cross multiply
    3,973.56x = 5,958.02 × 1,199.40
  4. Step 4: Simplify right side
    3,973.56x = 7,146,034.29
  5. Step 5: Solve for x
    x = 7,146,034.29/3,973.56
  6. Step 6: Final answer
    x = 1,798.40

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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.