Home / 2,467.76-3,405.92-1,419.60

Finding the Fourth Proportional to 2,467.76, 3,405.92 and 1,419.60

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Solution

The fourth proportional to 2,467.76, 3,405.92 and 1,419.60 is: 1,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,467.76 : 3,405.92 = 1,419.60 : x
  2. Step 2: Convert to fraction form
    2,467.76/3,405.92 = 1,419.60/x
  3. Step 3: Cross multiply
    2,467.76x = 3,405.92 × 1,419.60
  4. Step 4: Simplify right side
    2,467.76x = 4,835,044.03
  5. Step 5: Solve for x
    x = 4,835,044.03/2,467.76
  6. Step 6: Final answer
    x = 1,959.28

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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.