Home / 3,479.63-5,215.80-1,629.26

Finding the Fourth Proportional to 3,479.63, 5,215.80 and 1,629.26

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Solution

The fourth proportional to 3,479.63, 5,215.80 and 1,629.26 is: 2,442.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.63 : 5,215.80 = 1,629.26 : x
  2. Step 2: Convert to fraction form
    3,479.63/5,215.80 = 1,629.26/x
  3. Step 3: Cross multiply
    3,479.63x = 5,215.80 × 1,629.26
  4. Step 4: Simplify right side
    3,479.63x = 8,497,868.23
  5. Step 5: Solve for x
    x = 8,497,868.23/3,479.63
  6. Step 6: Final answer
    x = 2,442.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.