Home / 2,940.39-4,407.03-1,090.89

Finding the Fourth Proportional to 2,940.39, 4,407.03 and 1,090.89

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Solution

The fourth proportional to 2,940.39, 4,407.03 and 1,090.89 is: 1,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.39 : 4,407.03 = 1,090.89 : x
  2. Step 2: Convert to fraction form
    2,940.39/4,407.03 = 1,090.89/x
  3. Step 3: Cross multiply
    2,940.39x = 4,407.03 × 1,090.89
  4. Step 4: Simplify right side
    2,940.39x = 4,807,584.96
  5. Step 5: Solve for x
    x = 4,807,584.96/2,940.39
  6. Step 6: Final answer
    x = 1,635.02

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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.