Home / 3,194.24-4,410.45-3,143.21

Finding the Fourth Proportional to 3,194.24, 4,410.45 and 3,143.21

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Solution

The fourth proportional to 3,194.24, 4,410.45 and 3,143.21 is: 4,339.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.24 : 4,410.45 = 3,143.21 : x
  2. Step 2: Convert to fraction form
    3,194.24/4,410.45 = 3,143.21/x
  3. Step 3: Cross multiply
    3,194.24x = 4,410.45 × 3,143.21
  4. Step 4: Simplify right side
    3,194.24x = 13,862,948.49
  5. Step 5: Solve for x
    x = 13,862,948.49/3,194.24
  6. Step 6: Final answer
    x = 4,339.99

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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.