Home / 3,749.43-5,173.76-2,070.85

Finding the Fourth Proportional to 3,749.43, 5,173.76 and 2,070.85

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Solution

The fourth proportional to 3,749.43, 5,173.76 and 2,070.85 is: 2,857.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.43 : 5,173.76 = 2,070.85 : x
  2. Step 2: Convert to fraction form
    3,749.43/5,173.76 = 2,070.85/x
  3. Step 3: Cross multiply
    3,749.43x = 5,173.76 × 2,070.85
  4. Step 4: Simplify right side
    3,749.43x = 10,714,059.18
  5. Step 5: Solve for x
    x = 10,714,059.18/3,749.43
  6. Step 6: Final answer
    x = 2,857.52

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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.