Home / 2,284.36-3,408.61-2,145.04

Finding the Fourth Proportional to 2,284.36, 3,408.61 and 2,145.04

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Solution

The fourth proportional to 2,284.36, 3,408.61 and 2,145.04 is: 3,200.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.36 : 3,408.61 = 2,145.04 : x
  2. Step 2: Convert to fraction form
    2,284.36/3,408.61 = 2,145.04/x
  3. Step 3: Cross multiply
    2,284.36x = 3,408.61 × 2,145.04
  4. Step 4: Simplify right side
    2,284.36x = 7,311,604.79
  5. Step 5: Solve for x
    x = 7,311,604.79/2,284.36
  6. Step 6: Final answer
    x = 3,200.72

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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.