Home / 2,144.09-3,215.75-1,156.44

Finding the Fourth Proportional to 2,144.09, 3,215.75 and 1,156.44

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Solution

The fourth proportional to 2,144.09, 3,215.75 and 1,156.44 is: 1,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.09 : 3,215.75 = 1,156.44 : x
  2. Step 2: Convert to fraction form
    2,144.09/3,215.75 = 1,156.44/x
  3. Step 3: Cross multiply
    2,144.09x = 3,215.75 × 1,156.44
  4. Step 4: Simplify right side
    2,144.09x = 3,718,816.15
  5. Step 5: Solve for x
    x = 3,718,816.15/2,144.09
  6. Step 6: Final answer
    x = 1,734.45

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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.