Home / 2,424.36-3,345.38-1,361.88

Finding the Fourth Proportional to 2,424.36, 3,345.38 and 1,361.88

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Solution

The fourth proportional to 2,424.36, 3,345.38 and 1,361.88 is: 1,879.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.36 : 3,345.38 = 1,361.88 : x
  2. Step 2: Convert to fraction form
    2,424.36/3,345.38 = 1,361.88/x
  3. Step 3: Cross multiply
    2,424.36x = 3,345.38 × 1,361.88
  4. Step 4: Simplify right side
    2,424.36x = 4,556,004.41
  5. Step 5: Solve for x
    x = 4,556,004.41/2,424.36
  6. Step 6: Final answer
    x = 1,879.26

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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.