Home / 2,172.48-3,249.79-1,734.59

Finding the Fourth Proportional to 2,172.48, 3,249.79 and 1,734.59

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Solution

The fourth proportional to 2,172.48, 3,249.79 and 1,734.59 is: 2,594.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.48 : 3,249.79 = 1,734.59 : x
  2. Step 2: Convert to fraction form
    2,172.48/3,249.79 = 1,734.59/x
  3. Step 3: Cross multiply
    2,172.48x = 3,249.79 × 1,734.59
  4. Step 4: Simplify right side
    2,172.48x = 5,637,053.24
  5. Step 5: Solve for x
    x = 5,637,053.24/2,172.48
  6. Step 6: Final answer
    x = 2,594.75

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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.