Home / 2,103.36-3,156.48-1,008.48

Finding the Fourth Proportional to 2,103.36, 3,156.48 and 1,008.48

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Solution

The fourth proportional to 2,103.36, 3,156.48 and 1,008.48 is: 1,513.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.36 : 3,156.48 = 1,008.48 : x
  2. Step 2: Convert to fraction form
    2,103.36/3,156.48 = 1,008.48/x
  3. Step 3: Cross multiply
    2,103.36x = 3,156.48 × 1,008.48
  4. Step 4: Simplify right side
    2,103.36x = 3,183,246.95
  5. Step 5: Solve for x
    x = 3,183,246.95/2,103.36
  6. Step 6: Final answer
    x = 1,513.41

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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.