Home / 3,700.09-5,106.04-2,021.46

Finding the Fourth Proportional to 3,700.09, 5,106.04 and 2,021.46

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Solution

The fourth proportional to 3,700.09, 5,106.04 and 2,021.46 is: 2,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.09 : 5,106.04 = 2,021.46 : x
  2. Step 2: Convert to fraction form
    3,700.09/5,106.04 = 2,021.46/x
  3. Step 3: Cross multiply
    3,700.09x = 5,106.04 × 2,021.46
  4. Step 4: Simplify right side
    3,700.09x = 10,321,655.62
  5. Step 5: Solve for x
    x = 10,321,655.62/3,700.09
  6. Step 6: Final answer
    x = 2,789.57

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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.