Home / 2,394.21-3,589.14-854.85

Finding the Fourth Proportional to 2,394.21, 3,589.14 and 854.85

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Solution

The fourth proportional to 2,394.21, 3,589.14 and 854.85 is: 1,281.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.21 : 3,589.14 = 854.85 : x
  2. Step 2: Convert to fraction form
    2,394.21/3,589.14 = 854.85/x
  3. Step 3: Cross multiply
    2,394.21x = 3,589.14 × 854.85
  4. Step 4: Simplify right side
    2,394.21x = 3,068,176.33
  5. Step 5: Solve for x
    x = 3,068,176.33/2,394.21
  6. Step 6: Final answer
    x = 1,281.50

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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.