Home / 4,128.62-5,697.39-2,265.50

Finding the Fourth Proportional to 4,128.62, 5,697.39 and 2,265.50

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Solution

The fourth proportional to 4,128.62, 5,697.39 and 2,265.50 is: 3,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.62 : 5,697.39 = 2,265.50 : x
  2. Step 2: Convert to fraction form
    4,128.62/5,697.39 = 2,265.50/x
  3. Step 3: Cross multiply
    4,128.62x = 5,697.39 × 2,265.50
  4. Step 4: Simplify right side
    4,128.62x = 12,907,437.05
  5. Step 5: Solve for x
    x = 12,907,437.05/4,128.62
  6. Step 6: Final answer
    x = 3,126.33

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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.