Home / 3,180.48-4,388.44-1,764.11

Finding the Fourth Proportional to 3,180.48, 4,388.44 and 1,764.11

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Solution

The fourth proportional to 3,180.48, 4,388.44 and 1,764.11 is: 2,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.48 : 4,388.44 = 1,764.11 : x
  2. Step 2: Convert to fraction form
    3,180.48/4,388.44 = 1,764.11/x
  3. Step 3: Cross multiply
    3,180.48x = 4,388.44 × 1,764.11
  4. Step 4: Simplify right side
    3,180.48x = 7,741,690.89
  5. Step 5: Solve for x
    x = 7,741,690.89/3,180.48
  6. Step 6: Final answer
    x = 2,434.13

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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.