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Finding the Fourth Proportional to 3,354.48, 5,030.91 and 1,274.76

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Solution

The fourth proportional to 3,354.48, 5,030.91 and 1,274.76 is: 1,911.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.48 : 5,030.91 = 1,274.76 : x
  2. Step 2: Convert to fraction form
    3,354.48/5,030.91 = 1,274.76/x
  3. Step 3: Cross multiply
    3,354.48x = 5,030.91 × 1,274.76
  4. Step 4: Simplify right side
    3,354.48x = 6,413,202.83
  5. Step 5: Solve for x
    x = 6,413,202.83/3,354.48
  6. Step 6: Final answer
    x = 1,911.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.