Home / 3,516.26-5,271.78-2,129.27

Finding the Fourth Proportional to 3,516.26, 5,271.78 and 2,129.27

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Solution

The fourth proportional to 3,516.26, 5,271.78 and 2,129.27 is: 3,192.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.26 : 5,271.78 = 2,129.27 : x
  2. Step 2: Convert to fraction form
    3,516.26/5,271.78 = 2,129.27/x
  3. Step 3: Cross multiply
    3,516.26x = 5,271.78 × 2,129.27
  4. Step 4: Simplify right side
    3,516.26x = 11,225,056.18
  5. Step 5: Solve for x
    x = 11,225,056.18/3,516.26
  6. Step 6: Final answer
    x = 3,192.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.