Home / 3,398.09-5,097.15-1,450.31

Finding the Fourth Proportional to 3,398.09, 5,097.15 and 1,450.31

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Solution

The fourth proportional to 3,398.09, 5,097.15 and 1,450.31 is: 2,175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.09 : 5,097.15 = 1,450.31 : x
  2. Step 2: Convert to fraction form
    3,398.09/5,097.15 = 1,450.31/x
  3. Step 3: Cross multiply
    3,398.09x = 5,097.15 × 1,450.31
  4. Step 4: Simplify right side
    3,398.09x = 7,392,422.13
  5. Step 5: Solve for x
    x = 7,392,422.13/3,398.09
  6. Step 6: Final answer
    x = 2,175.47

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1.5x scale

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.