Home / 1,911.96-2,634.54-1,537.44

Finding the Fourth Proportional to 1,911.96, 2,634.54 and 1,537.44

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Solution

The fourth proportional to 1,911.96, 2,634.54 and 1,537.44 is: 2,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911.96 : 2,634.54 = 1,537.44 : x
  2. Step 2: Convert to fraction form
    1,911.96/2,634.54 = 1,537.44/x
  3. Step 3: Cross multiply
    1,911.96x = 2,634.54 × 1,537.44
  4. Step 4: Simplify right side
    1,911.96x = 4,050,447.18
  5. Step 5: Solve for x
    x = 4,050,447.18/1,911.96
  6. Step 6: Final answer
    x = 2,118.48

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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.