Home / 2,822.48-3,895.21-1,563.59

Finding the Fourth Proportional to 2,822.48, 3,895.21 and 1,563.59

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Solution

The fourth proportional to 2,822.48, 3,895.21 and 1,563.59 is: 2,157.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.48 : 3,895.21 = 1,563.59 : x
  2. Step 2: Convert to fraction form
    2,822.48/3,895.21 = 1,563.59/x
  3. Step 3: Cross multiply
    2,822.48x = 3,895.21 × 1,563.59
  4. Step 4: Simplify right side
    2,822.48x = 6,090,522.02
  5. Step 5: Solve for x
    x = 6,090,522.02/2,822.48
  6. Step 6: Final answer
    x = 2,157.86

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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.