Home / 3,700.24-5,106.23-2,021.60

Finding the Fourth Proportional to 3,700.24, 5,106.23 and 2,021.60

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Solution

The fourth proportional to 3,700.24, 5,106.23 and 2,021.60 is: 2,789.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.24 : 5,106.23 = 2,021.60 : x
  2. Step 2: Convert to fraction form
    3,700.24/5,106.23 = 2,021.60/x
  3. Step 3: Cross multiply
    3,700.24x = 5,106.23 × 2,021.60
  4. Step 4: Simplify right side
    3,700.24x = 10,322,734.09
  5. Step 5: Solve for x
    x = 10,322,734.09/3,700.24
  6. Step 6: Final answer
    x = 2,789.75

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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.