Home / 2,786.74-3,845.62-1,527.77

Finding the Fourth Proportional to 2,786.74, 3,845.62 and 1,527.77

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Solution

The fourth proportional to 2,786.74, 3,845.62 and 1,527.77 is: 2,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.74 : 3,845.62 = 1,527.77 : x
  2. Step 2: Convert to fraction form
    2,786.74/3,845.62 = 1,527.77/x
  3. Step 3: Cross multiply
    2,786.74x = 3,845.62 × 1,527.77
  4. Step 4: Simplify right side
    2,786.74x = 5,875,222.87
  5. Step 5: Solve for x
    x = 5,875,222.87/2,786.74
  6. Step 6: Final answer
    x = 2,108.28

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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.