Home / 2,277.33-3,142.04-1,392.23

Finding the Fourth Proportional to 2,277.33, 3,142.04 and 1,392.23

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Solution

The fourth proportional to 2,277.33, 3,142.04 and 1,392.23 is: 1,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.33 : 3,142.04 = 1,392.23 : x
  2. Step 2: Convert to fraction form
    2,277.33/3,142.04 = 1,392.23/x
  3. Step 3: Cross multiply
    2,277.33x = 3,142.04 × 1,392.23
  4. Step 4: Simplify right side
    2,277.33x = 4,374,419.68
  5. Step 5: Solve for x
    x = 4,374,419.68/2,277.33
  6. Step 6: Final answer
    x = 1,920.85

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1.5x scale

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.