Home / 2,290.34-3,418.92-2,119.14

Finding the Fourth Proportional to 2,290.34, 3,418.92 and 2,119.14

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Solution

The fourth proportional to 2,290.34, 3,418.92 and 2,119.14 is: 3,163.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.34 : 3,418.92 = 2,119.14 : x
  2. Step 2: Convert to fraction form
    2,290.34/3,418.92 = 2,119.14/x
  3. Step 3: Cross multiply
    2,290.34x = 3,418.92 × 2,119.14
  4. Step 4: Simplify right side
    2,290.34x = 7,245,153.03
  5. Step 5: Solve for x
    x = 7,245,153.03/2,290.34
  6. Step 6: Final answer
    x = 3,163.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.