Home / 3,750.56-5,174.90-2,177.72

Finding the Fourth Proportional to 3,750.56, 5,174.90 and 2,177.72

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Solution

The fourth proportional to 3,750.56, 5,174.90 and 2,177.72 is: 3,004.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.56 : 5,174.90 = 2,177.72 : x
  2. Step 2: Convert to fraction form
    3,750.56/5,174.90 = 2,177.72/x
  3. Step 3: Cross multiply
    3,750.56x = 5,174.90 × 2,177.72
  4. Step 4: Simplify right side
    3,750.56x = 11,269,483.23
  5. Step 5: Solve for x
    x = 11,269,483.23/3,750.56
  6. Step 6: Final answer
    x = 3,004.75

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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.