Home / 2,831.63-4,250.14-1,187.73

Finding the Fourth Proportional to 2,831.63, 4,250.14 and 1,187.73

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Solution

The fourth proportional to 2,831.63, 4,250.14 and 1,187.73 is: 1,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.63 : 4,250.14 = 1,187.73 : x
  2. Step 2: Convert to fraction form
    2,831.63/4,250.14 = 1,187.73/x
  3. Step 3: Cross multiply
    2,831.63x = 4,250.14 × 1,187.73
  4. Step 4: Simplify right side
    2,831.63x = 5,048,015.81
  5. Step 5: Solve for x
    x = 5,048,015.81/2,831.63
  6. Step 6: Final answer
    x = 1,782.73

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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.