Home / 3,516.52-5,274.36-919.64

Finding the Fourth Proportional to 3,516.52, 5,274.36 and 919.64

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Solution

The fourth proportional to 3,516.52, 5,274.36 and 919.64 is: 1,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.52 : 5,274.36 = 919.64 : x
  2. Step 2: Convert to fraction form
    3,516.52/5,274.36 = 919.64/x
  3. Step 3: Cross multiply
    3,516.52x = 5,274.36 × 919.64
  4. Step 4: Simplify right side
    3,516.52x = 4,850,512.43
  5. Step 5: Solve for x
    x = 4,850,512.43/3,516.52
  6. Step 6: Final answer
    x = 1,379.35

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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.