Home / 3,314.22-4,971.48-1,668.80

Finding the Fourth Proportional to 3,314.22, 4,971.48 and 1,668.80

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Solution

The fourth proportional to 3,314.22, 4,971.48 and 1,668.80 is: 2,503.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.22 : 4,971.48 = 1,668.80 : x
  2. Step 2: Convert to fraction form
    3,314.22/4,971.48 = 1,668.80/x
  3. Step 3: Cross multiply
    3,314.22x = 4,971.48 × 1,668.80
  4. Step 4: Simplify right side
    3,314.22x = 8,296,411.99
  5. Step 5: Solve for x
    x = 8,296,411.99/3,314.22
  6. Step 6: Final answer
    x = 2,503.28

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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.