Home / 3,749.85-5,174.76-2,071.23

Finding the Fourth Proportional to 3,749.85, 5,174.76 and 2,071.23

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Solution

The fourth proportional to 3,749.85, 5,174.76 and 2,071.23 is: 2,858.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.85 : 5,174.76 = 2,071.23 : x
  2. Step 2: Convert to fraction form
    3,749.85/5,174.76 = 2,071.23/x
  3. Step 3: Cross multiply
    3,749.85x = 5,174.76 × 2,071.23
  4. Step 4: Simplify right side
    3,749.85x = 10,718,118.15
  5. Step 5: Solve for x
    x = 10,718,118.15/3,749.85
  6. Step 6: Final answer
    x = 2,858.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.