Home / 3,749.83-5,622.75-1,670.47

Finding the Fourth Proportional to 3,749.83, 5,622.75 and 1,670.47

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Solution

The fourth proportional to 3,749.83, 5,622.75 and 1,670.47 is: 2,504.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.83 : 5,622.75 = 1,670.47 : x
  2. Step 2: Convert to fraction form
    3,749.83/5,622.75 = 1,670.47/x
  3. Step 3: Cross multiply
    3,749.83x = 5,622.75 × 1,670.47
  4. Step 4: Simplify right side
    3,749.83x = 9,392,621.14
  5. Step 5: Solve for x
    x = 9,392,621.14/3,749.83
  6. Step 6: Final answer
    x = 2,504.81

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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.