Home / 2,837.18-4,255.75-1,105.81

Finding the Fourth Proportional to 2,837.18, 4,255.75 and 1,105.81

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Solution

The fourth proportional to 2,837.18, 4,255.75 and 1,105.81 is: 1,658.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.18 : 4,255.75 = 1,105.81 : x
  2. Step 2: Convert to fraction form
    2,837.18/4,255.75 = 1,105.81/x
  3. Step 3: Cross multiply
    2,837.18x = 4,255.75 × 1,105.81
  4. Step 4: Simplify right side
    2,837.18x = 4,706,050.91
  5. Step 5: Solve for x
    x = 4,706,050.91/2,837.18
  6. Step 6: Final answer
    x = 1,658.71

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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.