Home / 1,648.15-2,273.66-1,018.45

Finding the Fourth Proportional to 1,648.15, 2,273.66 and 1,018.45

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Solution

The fourth proportional to 1,648.15, 2,273.66 and 1,018.45 is: 1,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648.15 : 2,273.66 = 1,018.45 : x
  2. Step 2: Convert to fraction form
    1,648.15/2,273.66 = 1,018.45/x
  3. Step 3: Cross multiply
    1,648.15x = 2,273.66 × 1,018.45
  4. Step 4: Simplify right side
    1,648.15x = 2,315,609.03
  5. Step 5: Solve for x
    x = 2,315,609.03/1,648.15
  6. Step 6: Final answer
    x = 1,404.97

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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.