Home / 2,119.77-2,923.97-1,363.23

Finding the Fourth Proportional to 2,119.77, 2,923.97 and 1,363.23

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Solution

The fourth proportional to 2,119.77, 2,923.97 and 1,363.23 is: 1,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.77 : 2,923.97 = 1,363.23 : x
  2. Step 2: Convert to fraction form
    2,119.77/2,923.97 = 1,363.23/x
  3. Step 3: Cross multiply
    2,119.77x = 2,923.97 × 1,363.23
  4. Step 4: Simplify right side
    2,119.77x = 3,986,036.81
  5. Step 5: Solve for x
    x = 3,986,036.81/2,119.77
  6. Step 6: Final answer
    x = 1,880.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.