Home / 3,110.94-4,662.90-1,261.58

Finding the Fourth Proportional to 3,110.94, 4,662.90 and 1,261.58

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Solution

The fourth proportional to 3,110.94, 4,662.90 and 1,261.58 is: 1,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.94 : 4,662.90 = 1,261.58 : x
  2. Step 2: Convert to fraction form
    3,110.94/4,662.90 = 1,261.58/x
  3. Step 3: Cross multiply
    3,110.94x = 4,662.90 × 1,261.58
  4. Step 4: Simplify right side
    3,110.94x = 5,882,598.07
  5. Step 5: Solve for x
    x = 5,882,598.07/3,110.94
  6. Step 6: Final answer
    x = 1,890.94

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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.