Home / 1,831.14-2,748.06-1,101.87

Finding the Fourth Proportional to 1,831.14, 2,748.06 and 1,101.87

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Solution

The fourth proportional to 1,831.14, 2,748.06 and 1,101.87 is: 1,653.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.14 : 2,748.06 = 1,101.87 : x
  2. Step 2: Convert to fraction form
    1,831.14/2,748.06 = 1,101.87/x
  3. Step 3: Cross multiply
    1,831.14x = 2,748.06 × 1,101.87
  4. Step 4: Simplify right side
    1,831.14x = 3,028,004.87
  5. Step 5: Solve for x
    x = 3,028,004.87/1,831.14
  6. Step 6: Final answer
    x = 1,653.62

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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.