Home / 3,749.08-5,173.79-2,070.57

Finding the Fourth Proportional to 3,749.08, 5,173.79 and 2,070.57

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Solution

The fourth proportional to 3,749.08, 5,173.79 and 2,070.57 is: 2,857.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.08 : 5,173.79 = 2,070.57 : x
  2. Step 2: Convert to fraction form
    3,749.08/5,173.79 = 2,070.57/x
  3. Step 3: Cross multiply
    3,749.08x = 5,173.79 × 2,070.57
  4. Step 4: Simplify right side
    3,749.08x = 10,712,694.36
  5. Step 5: Solve for x
    x = 10,712,694.36/3,749.08
  6. Step 6: Final answer
    x = 2,857.42

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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.