Home / 3,601.05-5,400.99-1,409.01

Finding the Fourth Proportional to 3,601.05, 5,400.99 and 1,409.01

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Solution

The fourth proportional to 3,601.05, 5,400.99 and 1,409.01 is: 2,113.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.05 : 5,400.99 = 1,409.01 : x
  2. Step 2: Convert to fraction form
    3,601.05/5,400.99 = 1,409.01/x
  3. Step 3: Cross multiply
    3,601.05x = 5,400.99 × 1,409.01
  4. Step 4: Simplify right side
    3,601.05x = 7,610,048.92
  5. Step 5: Solve for x
    x = 7,610,048.92/3,601.05
  6. Step 6: Final answer
    x = 2,113.29

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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.