Home / 3,110.22-4,291.74-1,784.36

Finding the Fourth Proportional to 3,110.22, 4,291.74 and 1,784.36

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Solution

The fourth proportional to 3,110.22, 4,291.74 and 1,784.36 is: 2,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.22 : 4,291.74 = 1,784.36 : x
  2. Step 2: Convert to fraction form
    3,110.22/4,291.74 = 1,784.36/x
  3. Step 3: Cross multiply
    3,110.22x = 4,291.74 × 1,784.36
  4. Step 4: Simplify right side
    3,110.22x = 7,658,019.92
  5. Step 5: Solve for x
    x = 7,658,019.92/3,110.22
  6. Step 6: Final answer
    x = 2,462.21

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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.