Home / 1,563.36-2,143.44-1,537.92

Finding the Fourth Proportional to 1,563.36, 2,143.44 and 1,537.92

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Solution

The fourth proportional to 1,563.36, 2,143.44 and 1,537.92 is: 2,108.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.36 : 2,143.44 = 1,537.92 : x
  2. Step 2: Convert to fraction form
    1,563.36/2,143.44 = 1,537.92/x
  3. Step 3: Cross multiply
    1,563.36x = 2,143.44 × 1,537.92
  4. Step 4: Simplify right side
    1,563.36x = 3,296,439.24
  5. Step 5: Solve for x
    x = 3,296,439.24/1,563.36
  6. Step 6: Final answer
    x = 2,108.56

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.