Home / 3,749.85-5,173.08-2,177.03

Finding the Fourth Proportional to 3,749.85, 5,173.08 and 2,177.03

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Solution

The fourth proportional to 3,749.85, 5,173.08 and 2,177.03 is: 3,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.85 : 5,173.08 = 2,177.03 : x
  2. Step 2: Convert to fraction form
    3,749.85/5,173.08 = 2,177.03/x
  3. Step 3: Cross multiply
    3,749.85x = 5,173.08 × 2,177.03
  4. Step 4: Simplify right side
    3,749.85x = 11,261,950.35
  5. Step 5: Solve for x
    x = 11,261,950.35/3,749.85
  6. Step 6: Final answer
    x = 3,003.31

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1.5x scale

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.