Home / 3,804.36-5,248.86-2,479.98

Finding the Fourth Proportional to 3,804.36, 5,248.86 and 2,479.98

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Solution

The fourth proportional to 3,804.36, 5,248.86 and 2,479.98 is: 3,421.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.36 : 5,248.86 = 2,479.98 : x
  2. Step 2: Convert to fraction form
    3,804.36/5,248.86 = 2,479.98/x
  3. Step 3: Cross multiply
    3,804.36x = 5,248.86 × 2,479.98
  4. Step 4: Simplify right side
    3,804.36x = 13,017,067.82
  5. Step 5: Solve for x
    x = 13,017,067.82/3,804.36
  6. Step 6: Final answer
    x = 3,421.62

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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.