Home / 4,128.68-5,697.60-2,240.24

Finding the Fourth Proportional to 4,128.68, 5,697.60 and 2,240.24

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Solution

The fourth proportional to 4,128.68, 5,697.60 and 2,240.24 is: 3,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.68 : 5,697.60 = 2,240.24 : x
  2. Step 2: Convert to fraction form
    4,128.68/5,697.60 = 2,240.24/x
  3. Step 3: Cross multiply
    4,128.68x = 5,697.60 × 2,240.24
  4. Step 4: Simplify right side
    4,128.68x = 12,763,991.42
  5. Step 5: Solve for x
    x = 12,763,991.42/4,128.68
  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.