Home / 3,670.19-5,505.83-1,330.37

Finding the Fourth Proportional to 3,670.19, 5,505.83 and 1,330.37

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Solution

The fourth proportional to 3,670.19, 5,505.83 and 1,330.37 is: 1,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.19 : 5,505.83 = 1,330.37 : x
  2. Step 2: Convert to fraction form
    3,670.19/5,505.83 = 1,330.37/x
  3. Step 3: Cross multiply
    3,670.19x = 5,505.83 × 1,330.37
  4. Step 4: Simplify right side
    3,670.19x = 7,324,791.06
  5. Step 5: Solve for x
    x = 7,324,791.06/3,670.19
  6. Step 6: Final answer
    x = 1,995.75

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1.5x scale

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.