Home / 3,755.21-5,632.92-1,289.99

Finding the Fourth Proportional to 3,755.21, 5,632.92 and 1,289.99

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Solution

The fourth proportional to 3,755.21, 5,632.92 and 1,289.99 is: 1,935.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.21 : 5,632.92 = 1,289.99 : x
  2. Step 2: Convert to fraction form
    3,755.21/5,632.92 = 1,289.99/x
  3. Step 3: Cross multiply
    3,755.21x = 5,632.92 × 1,289.99
  4. Step 4: Simplify right side
    3,755.21x = 7,266,410.47
  5. Step 5: Solve for x
    x = 7,266,410.47/3,755.21
  6. Step 6: Final answer
    x = 1,935.02

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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.