Home / 4,290.21-6,436.62-1,949.58

Finding the Fourth Proportional to 4,290.21, 6,436.62 and 1,949.58

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Solution

The fourth proportional to 4,290.21, 6,436.62 and 1,949.58 is: 2,924.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.21 : 6,436.62 = 1,949.58 : x
  2. Step 2: Convert to fraction form
    4,290.21/6,436.62 = 1,949.58/x
  3. Step 3: Cross multiply
    4,290.21x = 6,436.62 × 1,949.58
  4. Step 4: Simplify right side
    4,290.21x = 12,548,705.62
  5. Step 5: Solve for x
    x = 12,548,705.62/4,290.21
  6. Step 6: Final answer
    x = 2,924.96

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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.