Home / 4,128.74-5,697.60-2,240.27

Finding the Fourth Proportional to 4,128.74, 5,697.60 and 2,240.27

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Solution

The fourth proportional to 4,128.74, 5,697.60 and 2,240.27 is: 3,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.74 : 5,697.60 = 2,240.27 : x
  2. Step 2: Convert to fraction form
    4,128.74/5,697.60 = 2,240.27/x
  3. Step 3: Cross multiply
    4,128.74x = 5,697.60 × 2,240.27
  4. Step 4: Simplify right side
    4,128.74x = 12,764,162.35
  5. Step 5: Solve for x
    x = 12,764,162.35/4,128.74
  6. Step 6: Final answer
    x = 3,091.54

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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.