Home / 2,406.67-3,321.21-1,344.43

Finding the Fourth Proportional to 2,406.67, 3,321.21 and 1,344.43

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Solution

The fourth proportional to 2,406.67, 3,321.21 and 1,344.43 is: 1,855.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.67 : 3,321.21 = 1,344.43 : x
  2. Step 2: Convert to fraction form
    2,406.67/3,321.21 = 1,344.43/x
  3. Step 3: Cross multiply
    2,406.67x = 3,321.21 × 1,344.43
  4. Step 4: Simplify right side
    2,406.67x = 4,465,134.36
  5. Step 5: Solve for x
    x = 4,465,134.36/2,406.67
  6. Step 6: Final answer
    x = 1,855.32

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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.