Home / 3,749.06-5,173.64-2,070.47

Finding the Fourth Proportional to 3,749.06, 5,173.64 and 2,070.47

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Solution

The fourth proportional to 3,749.06, 5,173.64 and 2,070.47 is: 2,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.06 : 5,173.64 = 2,070.47 : x
  2. Step 2: Convert to fraction form
    3,749.06/5,173.64 = 2,070.47/x
  3. Step 3: Cross multiply
    3,749.06x = 5,173.64 × 2,070.47
  4. Step 4: Simplify right side
    3,749.06x = 10,711,847.66
  5. Step 5: Solve for x
    x = 10,711,847.66/3,749.06
  6. Step 6: Final answer
    x = 2,857.21

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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.