Home / 2,786.58-3,845.46-1,527.60

Finding the Fourth Proportional to 2,786.58, 3,845.46 and 1,527.60

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Solution

The fourth proportional to 2,786.58, 3,845.46 and 1,527.60 is: 2,108.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.58 : 3,845.46 = 1,527.60 : x
  2. Step 2: Convert to fraction form
    2,786.58/3,845.46 = 1,527.60/x
  3. Step 3: Cross multiply
    2,786.58x = 3,845.46 × 1,527.60
  4. Step 4: Simplify right side
    2,786.58x = 5,874,324.70
  5. Step 5: Solve for x
    x = 5,874,324.70/2,786.58
  6. Step 6: Final answer
    x = 2,108.08

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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.