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Finding the Fourth Proportional to 3,579.86, 5,368.44 and 1,499.99

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Solution

The fourth proportional to 3,579.86, 5,368.44 and 1,499.99 is: 2,249.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.86 : 5,368.44 = 1,499.99 : x
  2. Step 2: Convert to fraction form
    3,579.86/5,368.44 = 1,499.99/x
  3. Step 3: Cross multiply
    3,579.86x = 5,368.44 × 1,499.99
  4. Step 4: Simplify right side
    3,579.86x = 8,052,585.10
  5. Step 5: Solve for x
    x = 8,052,585.10/3,579.86
  6. Step 6: Final answer
    x = 2,249.41

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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.