Home / 3,112.47-4,668.61-1,263.54

Finding the Fourth Proportional to 3,112.47, 4,668.61 and 1,263.54

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Solution

The fourth proportional to 3,112.47, 4,668.61 and 1,263.54 is: 1,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.47 : 4,668.61 = 1,263.54 : x
  2. Step 2: Convert to fraction form
    3,112.47/4,668.61 = 1,263.54/x
  3. Step 3: Cross multiply
    3,112.47x = 4,668.61 × 1,263.54
  4. Step 4: Simplify right side
    3,112.47x = 5,898,969.16
  5. Step 5: Solve for x
    x = 5,898,969.16/3,112.47
  6. Step 6: Final answer
    x = 1,895.27

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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.