Home / 2,834.62-3,911.69-1,575.63

Finding the Fourth Proportional to 2,834.62, 3,911.69 and 1,575.63

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Solution

The fourth proportional to 2,834.62, 3,911.69 and 1,575.63 is: 2,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.62 : 3,911.69 = 1,575.63 : x
  2. Step 2: Convert to fraction form
    2,834.62/3,911.69 = 1,575.63/x
  3. Step 3: Cross multiply
    2,834.62x = 3,911.69 × 1,575.63
  4. Step 4: Simplify right side
    2,834.62x = 6,163,380.05
  5. Step 5: Solve for x
    x = 6,163,380.05/2,834.62
  6. Step 6: Final answer
    x = 2,174.33

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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.