Home / 3,392.96-4,684.40-2,605.44

Finding the Fourth Proportional to 3,392.96, 4,684.40 and 2,605.44

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Solution

The fourth proportional to 3,392.96, 4,684.40 and 2,605.44 is: 3,597.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.96 : 4,684.40 = 2,605.44 : x
  2. Step 2: Convert to fraction form
    3,392.96/4,684.40 = 2,605.44/x
  3. Step 3: Cross multiply
    3,392.96x = 4,684.40 × 2,605.44
  4. Step 4: Simplify right side
    3,392.96x = 12,204,923.14
  5. Step 5: Solve for x
    x = 12,204,923.14/3,392.96
  6. Step 6: Final answer
    x = 3,597.13

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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.