Home / 1,959.40-2,940.54-1,176.94

Finding the Fourth Proportional to 1,959.40, 2,940.54 and 1,176.94

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Solution

The fourth proportional to 1,959.40, 2,940.54 and 1,176.94 is: 1,766.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.40 : 2,940.54 = 1,176.94 : x
  2. Step 2: Convert to fraction form
    1,959.40/2,940.54 = 1,176.94/x
  3. Step 3: Cross multiply
    1,959.40x = 2,940.54 × 1,176.94
  4. Step 4: Simplify right side
    1,959.40x = 3,460,839.15
  5. Step 5: Solve for x
    x = 3,460,839.15/1,959.40
  6. Step 6: Final answer
    x = 1,766.27

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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.