Home / 3,364.42-4,645.18-2,105.98

Finding the Fourth Proportional to 3,364.42, 4,645.18 and 2,105.98

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Solution

The fourth proportional to 3,364.42, 4,645.18 and 2,105.98 is: 2,907.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.42 : 4,645.18 = 2,105.98 : x
  2. Step 2: Convert to fraction form
    3,364.42/4,645.18 = 2,105.98/x
  3. Step 3: Cross multiply
    3,364.42x = 4,645.18 × 2,105.98
  4. Step 4: Simplify right side
    3,364.42x = 9,782,656.18
  5. Step 5: Solve for x
    x = 9,782,656.18/3,364.42
  6. Step 6: Final answer
    x = 2,907.68

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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.