Home / 3,670.36-5,506.56-1,480.62

Finding the Fourth Proportional to 3,670.36, 5,506.56 and 1,480.62

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Solution

The fourth proportional to 3,670.36, 5,506.56 and 1,480.62 is: 2,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.36 : 5,506.56 = 1,480.62 : x
  2. Step 2: Convert to fraction form
    3,670.36/5,506.56 = 1,480.62/x
  3. Step 3: Cross multiply
    3,670.36x = 5,506.56 × 1,480.62
  4. Step 4: Simplify right side
    3,670.36x = 8,153,122.87
  5. Step 5: Solve for x
    x = 8,153,122.87/3,670.36
  6. Step 6: Final answer
    x = 2,221.34

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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.