Home / 3,837.83-5,744.37-1,986.40

Finding the Fourth Proportional to 3,837.83, 5,744.37 and 1,986.40

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Solution

The fourth proportional to 3,837.83, 5,744.37 and 1,986.40 is: 2,973.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.83 : 5,744.37 = 1,986.40 : x
  2. Step 2: Convert to fraction form
    3,837.83/5,744.37 = 1,986.40/x
  3. Step 3: Cross multiply
    3,837.83x = 5,744.37 × 1,986.40
  4. Step 4: Simplify right side
    3,837.83x = 11,410,606.64
  5. Step 5: Solve for x
    x = 11,410,606.64/3,837.83
  6. Step 6: Final answer
    x = 2,973.19

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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.