Home / 1,682.26-2,522.24-859.85

Finding the Fourth Proportional to 1,682.26, 2,522.24 and 859.85

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Solution

The fourth proportional to 1,682.26, 2,522.24 and 859.85 is: 1,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.26 : 2,522.24 = 859.85 : x
  2. Step 2: Convert to fraction form
    1,682.26/2,522.24 = 859.85/x
  3. Step 3: Cross multiply
    1,682.26x = 2,522.24 × 859.85
  4. Step 4: Simplify right side
    1,682.26x = 2,168,748.06
  5. Step 5: Solve for x
    x = 2,168,748.06/1,682.26
  6. Step 6: Final answer
    x = 1,289.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.