Home / 3,516.25-5,271.66-2,129.26

Finding the Fourth Proportional to 3,516.25, 5,271.66 and 2,129.26

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Solution

The fourth proportional to 3,516.25, 5,271.66 and 2,129.26 is: 3,192.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.25 : 5,271.66 = 2,129.26 : x
  2. Step 2: Convert to fraction form
    3,516.25/5,271.66 = 2,129.26/x
  3. Step 3: Cross multiply
    3,516.25x = 5,271.66 × 2,129.26
  4. Step 4: Simplify right side
    3,516.25x = 11,224,734.77
  5. Step 5: Solve for x
    x = 11,224,734.77/3,516.25
  6. Step 6: Final answer
    x = 3,192.25

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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.