Home / 2,286.66-3,431.36-2,100.77

Finding the Fourth Proportional to 2,286.66, 3,431.36 and 2,100.77

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Solution

The fourth proportional to 2,286.66, 3,431.36 and 2,100.77 is: 3,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.66 : 3,431.36 = 2,100.77 : x
  2. Step 2: Convert to fraction form
    2,286.66/3,431.36 = 2,100.77/x
  3. Step 3: Cross multiply
    2,286.66x = 3,431.36 × 2,100.77
  4. Step 4: Simplify right side
    2,286.66x = 7,208,470.49
  5. Step 5: Solve for x
    x = 7,208,470.49/2,286.66
  6. Step 6: Final answer
    x = 3,152.40

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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.