Home / 3,670.11-5,505.74-1,329.87

Finding the Fourth Proportional to 3,670.11, 5,505.74 and 1,329.87

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Solution

The fourth proportional to 3,670.11, 5,505.74 and 1,329.87 is: 1,995.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.11 : 5,505.74 = 1,329.87 : x
  2. Step 2: Convert to fraction form
    3,670.11/5,505.74 = 1,329.87/x
  3. Step 3: Cross multiply
    3,670.11x = 5,505.74 × 1,329.87
  4. Step 4: Simplify right side
    3,670.11x = 7,321,918.45
  5. Step 5: Solve for x
    x = 7,321,918.45/3,670.11
  6. Step 6: Final answer
    x = 1,995.01

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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.