Home / 2,816.38-4,218.41-1,427.33

Finding the Fourth Proportional to 2,816.38, 4,218.41 and 1,427.33

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Solution

The fourth proportional to 2,816.38, 4,218.41 and 1,427.33 is: 2,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.38 : 4,218.41 = 1,427.33 : x
  2. Step 2: Convert to fraction form
    2,816.38/4,218.41 = 1,427.33/x
  3. Step 3: Cross multiply
    2,816.38x = 4,218.41 × 1,427.33
  4. Step 4: Simplify right side
    2,816.38x = 6,021,045.50
  5. Step 5: Solve for x
    x = 6,021,045.50/2,816.38
  6. Step 6: Final answer
    x = 2,137.87

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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.