Home / 3,179.56-4,388.04-1,782.52

Finding the Fourth Proportional to 3,179.56, 4,388.04 and 1,782.52

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Solution

The fourth proportional to 3,179.56, 4,388.04 and 1,782.52 is: 2,460.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.56 : 4,388.04 = 1,782.52 : x
  2. Step 2: Convert to fraction form
    3,179.56/4,388.04 = 1,782.52/x
  3. Step 3: Cross multiply
    3,179.56x = 4,388.04 × 1,782.52
  4. Step 4: Simplify right side
    3,179.56x = 7,821,769.06
  5. Step 5: Solve for x
    x = 7,821,769.06/3,179.56
  6. Step 6: Final answer
    x = 2,460.02

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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.