Home / 3,869.56-5,798.94-2,020.60

Finding the Fourth Proportional to 3,869.56, 5,798.94 and 2,020.60

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Solution

The fourth proportional to 3,869.56, 5,798.94 and 2,020.60 is: 3,028.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.56 : 5,798.94 = 2,020.60 : x
  2. Step 2: Convert to fraction form
    3,869.56/5,798.94 = 2,020.60/x
  3. Step 3: Cross multiply
    3,869.56x = 5,798.94 × 2,020.60
  4. Step 4: Simplify right side
    3,869.56x = 11,717,338.16
  5. Step 5: Solve for x
    x = 11,717,338.16/3,869.56
  6. Step 6: Final answer
    x = 3,028.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.