Home / 2,940.36-4,407.75-1,091.00

Finding the Fourth Proportional to 2,940.36, 4,407.75 and 1,091.00

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Solution

The fourth proportional to 2,940.36, 4,407.75 and 1,091.00 is: 1,635.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.36 : 4,407.75 = 1,091.00 : x
  2. Step 2: Convert to fraction form
    2,940.36/4,407.75 = 1,091.00/x
  3. Step 3: Cross multiply
    2,940.36x = 4,407.75 × 1,091.00
  4. Step 4: Simplify right side
    2,940.36x = 4,808,833.21
  5. Step 5: Solve for x
    x = 4,808,833.21/2,940.36
  6. Step 6: Final answer
    x = 1,635.46

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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.