Home / 3,996.90-5,514.63-2,317.98

Finding the Fourth Proportional to 3,996.90, 5,514.63 and 2,317.98

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Solution

The fourth proportional to 3,996.90, 5,514.63 and 2,317.98 is: 3,198.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.90 : 5,514.63 = 2,317.98 : x
  2. Step 2: Convert to fraction form
    3,996.90/5,514.63 = 2,317.98/x
  3. Step 3: Cross multiply
    3,996.90x = 5,514.63 × 2,317.98
  4. Step 4: Simplify right side
    3,996.90x = 12,782,802.05
  5. Step 5: Solve for x
    x = 12,782,802.05/3,996.90
  6. Step 6: Final answer
    x = 3,198.18

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1.5x scale

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.