Home / 3,458.90-4,772.99-1,967.09

Finding the Fourth Proportional to 3,458.90, 4,772.99 and 1,967.09

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Solution

The fourth proportional to 3,458.90, 4,772.99 and 1,967.09 is: 2,714.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.90 : 4,772.99 = 1,967.09 : x
  2. Step 2: Convert to fraction form
    3,458.90/4,772.99 = 1,967.09/x
  3. Step 3: Cross multiply
    3,458.90x = 4,772.99 × 1,967.09
  4. Step 4: Simplify right side
    3,458.90x = 9,388,881.95
  5. Step 5: Solve for x
    x = 9,388,881.95/3,458.90
  6. Step 6: Final answer
    x = 2,714.41

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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.