Home / 4,128.62-5,700.08-2,869.26

Finding the Fourth Proportional to 4,128.62, 5,700.08 and 2,869.26

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Solution

The fourth proportional to 4,128.62, 5,700.08 and 2,869.26 is: 3,961.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.62 : 5,700.08 = 2,869.26 : x
  2. Step 2: Convert to fraction form
    4,128.62/5,700.08 = 2,869.26/x
  3. Step 3: Cross multiply
    4,128.62x = 5,700.08 × 2,869.26
  4. Step 4: Simplify right side
    4,128.62x = 16,355,011.54
  5. Step 5: Solve for x
    x = 16,355,011.54/4,128.62
  6. Step 6: Final answer
    x = 3,961.37

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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.