Home / 3,749.24-5,173.85-2,070.61

Finding the Fourth Proportional to 3,749.24, 5,173.85 and 2,070.61

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Solution

The fourth proportional to 3,749.24, 5,173.85 and 2,070.61 is: 2,857.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.24 : 5,173.85 = 2,070.61 : x
  2. Step 2: Convert to fraction form
    3,749.24/5,173.85 = 2,070.61/x
  3. Step 3: Cross multiply
    3,749.24x = 5,173.85 × 2,070.61
  4. Step 4: Simplify right side
    3,749.24x = 10,713,041.07
  5. Step 5: Solve for x
    x = 10,713,041.07/3,749.24
  6. Step 6: Final answer
    x = 2,857.39

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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.