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Finding the Fourth Proportional to 2,490.07, 3,735.11 and 1,103.03

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Solution

The fourth proportional to 2,490.07, 3,735.11 and 1,103.03 is: 1,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.07 : 3,735.11 = 1,103.03 : x
  2. Step 2: Convert to fraction form
    2,490.07/3,735.11 = 1,103.03/x
  3. Step 3: Cross multiply
    2,490.07x = 3,735.11 × 1,103.03
  4. Step 4: Simplify right side
    2,490.07x = 4,119,950.48
  5. Step 5: Solve for x
    x = 4,119,950.48/2,490.07
  6. Step 6: Final answer
    x = 1,654.55

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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.