Home / 3,666.72-5,499.36-1,474.32

Finding the Fourth Proportional to 3,666.72, 5,499.36 and 1,474.32

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Solution

The fourth proportional to 3,666.72, 5,499.36 and 1,474.32 is: 2,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.72 : 5,499.36 = 1,474.32 : x
  2. Step 2: Convert to fraction form
    3,666.72/5,499.36 = 1,474.32/x
  3. Step 3: Cross multiply
    3,666.72x = 5,499.36 × 1,474.32
  4. Step 4: Simplify right side
    3,666.72x = 8,107,816.44
  5. Step 5: Solve for x
    x = 8,107,816.44/3,666.72
  6. Step 6: Final answer
    x = 2,211.19

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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.