Home / 4,128.54-5,697.36-2,240.16

Finding the Fourth Proportional to 4,128.54, 5,697.36 and 2,240.16

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Solution

The fourth proportional to 4,128.54, 5,697.36 and 2,240.16 is: 3,091.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.54 : 5,697.36 = 2,240.16 : x
  2. Step 2: Convert to fraction form
    4,128.54/5,697.36 = 2,240.16/x
  3. Step 3: Cross multiply
    4,128.54x = 5,697.36 × 2,240.16
  4. Step 4: Simplify right side
    4,128.54x = 12,762,997.98
  5. Step 5: Solve for x
    x = 12,762,997.98/4,128.54
  6. Step 6: Final answer
    x = 3,091.41

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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.