Home / 2,144.13-2,959.10-1,212.63

Finding the Fourth Proportional to 2,144.13, 2,959.10 and 1,212.63

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Solution

The fourth proportional to 2,144.13, 2,959.10 and 1,212.63 is: 1,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.13 : 2,959.10 = 1,212.63 : x
  2. Step 2: Convert to fraction form
    2,144.13/2,959.10 = 1,212.63/x
  3. Step 3: Cross multiply
    2,144.13x = 2,959.10 × 1,212.63
  4. Step 4: Simplify right side
    2,144.13x = 3,588,293.43
  5. Step 5: Solve for x
    x = 3,588,293.43/2,144.13
  6. Step 6: Final answer
    x = 1,673.54

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1.5x scale

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.