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Finding the Fourth Proportional to 2,999.54, 4,499.86 and 1,356.86

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Solution

The fourth proportional to 2,999.54, 4,499.86 and 1,356.86 is: 2,035.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.54 : 4,499.86 = 1,356.86 : x
  2. Step 2: Convert to fraction form
    2,999.54/4,499.86 = 1,356.86/x
  3. Step 3: Cross multiply
    2,999.54x = 4,499.86 × 1,356.86
  4. Step 4: Simplify right side
    2,999.54x = 6,105,680.04
  5. Step 5: Solve for x
    x = 6,105,680.04/2,999.54
  6. Step 6: Final answer
    x = 2,035.54

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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.