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Finding the Fourth Proportional to 3,003.48, 4,495.50 and 2,679.48

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Solution

The fourth proportional to 3,003.48, 4,495.50 and 2,679.48 is: 4,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.48 : 4,495.50 = 2,679.48 : x
  2. Step 2: Convert to fraction form
    3,003.48/4,495.50 = 2,679.48/x
  3. Step 3: Cross multiply
    3,003.48x = 4,495.50 × 2,679.48
  4. Step 4: Simplify right side
    3,003.48x = 12,045,602.34
  5. Step 5: Solve for x
    x = 12,045,602.34/3,003.48
  6. Step 6: Final answer
    x = 4,010.55

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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.