Home / 3,601.36-5,400.64-1,409.88

Finding the Fourth Proportional to 3,601.36, 5,400.64 and 1,409.88

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Solution

The fourth proportional to 3,601.36, 5,400.64 and 1,409.88 is: 2,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.36 : 5,400.64 = 1,409.88 : x
  2. Step 2: Convert to fraction form
    3,601.36/5,400.64 = 1,409.88/x
  3. Step 3: Cross multiply
    3,601.36x = 5,400.64 × 1,409.88
  4. Step 4: Simplify right side
    3,601.36x = 7,614,254.32
  5. Step 5: Solve for x
    x = 7,614,254.32/3,601.36
  6. Step 6: Final answer
    x = 2,114.27

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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.