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Finding the Fourth Proportional to 2,497.00, 3,744.30 and 853.10

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Solution

The fourth proportional to 2,497.00, 3,744.30 and 853.10 is: 1,279.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.00 : 3,744.30 = 853.10 : x
  2. Step 2: Convert to fraction form
    2,497.00/3,744.30 = 853.10/x
  3. Step 3: Cross multiply
    2,497.00x = 3,744.30 × 853.10
  4. Step 4: Simplify right side
    2,497.00x = 3,194,262.33
  5. Step 5: Solve for x
    x = 3,194,262.33/2,497.00
  6. Step 6: Final answer
    x = 1,279.24

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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.