Home / 3,749.52-5,174.16-2,070.85

Finding the Fourth Proportional to 3,749.52, 5,174.16 and 2,070.85

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Solution

The fourth proportional to 3,749.52, 5,174.16 and 2,070.85 is: 2,857.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.52 : 5,174.16 = 2,070.85 : x
  2. Step 2: Convert to fraction form
    3,749.52/5,174.16 = 2,070.85/x
  3. Step 3: Cross multiply
    3,749.52x = 5,174.16 × 2,070.85
  4. Step 4: Simplify right side
    3,749.52x = 10,714,896.30
  5. Step 5: Solve for x
    x = 10,714,896.30/3,749.52
  6. Step 6: Final answer
    x = 2,857.67

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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.