Home / 2,816.37-4,220.91-1,354.73

Finding the Fourth Proportional to 2,816.37, 4,220.91 and 1,354.73

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Solution

The fourth proportional to 2,816.37, 4,220.91 and 1,354.73 is: 2,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.37 : 4,220.91 = 1,354.73 : x
  2. Step 2: Convert to fraction form
    2,816.37/4,220.91 = 1,354.73/x
  3. Step 3: Cross multiply
    2,816.37x = 4,220.91 × 1,354.73
  4. Step 4: Simplify right side
    2,816.37x = 5,718,172.30
  5. Step 5: Solve for x
    x = 5,718,172.30/2,816.37
  6. Step 6: Final answer
    x = 2,030.33

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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.