Home / 2,822.22-3,894.58-1,563.23

Finding the Fourth Proportional to 2,822.22, 3,894.58 and 1,563.23

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Solution

The fourth proportional to 2,822.22, 3,894.58 and 1,563.23 is: 2,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.22 : 3,894.58 = 1,563.23 : x
  2. Step 2: Convert to fraction form
    2,822.22/3,894.58 = 1,563.23/x
  3. Step 3: Cross multiply
    2,822.22x = 3,894.58 × 1,563.23
  4. Step 4: Simplify right side
    2,822.22x = 6,088,124.29
  5. Step 5: Solve for x
    x = 6,088,124.29/2,822.22
  6. Step 6: Final answer
    x = 2,157.21

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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.