Home / 2,171.03-2,993.79-1,857.34

Finding the Fourth Proportional to 2,171.03, 2,993.79 and 1,857.34

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Solution

The fourth proportional to 2,171.03, 2,993.79 and 1,857.34 is: 2,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.03 : 2,993.79 = 1,857.34 : x
  2. Step 2: Convert to fraction form
    2,171.03/2,993.79 = 1,857.34/x
  3. Step 3: Cross multiply
    2,171.03x = 2,993.79 × 1,857.34
  4. Step 4: Simplify right side
    2,171.03x = 5,560,485.92
  5. Step 5: Solve for x
    x = 5,560,485.92/2,171.03
  6. Step 6: Final answer
    x = 2,561.22

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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.