Home / 2,144.65-2,959.36-1,200.49

Finding the Fourth Proportional to 2,144.65, 2,959.36 and 1,200.49

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Solution

The fourth proportional to 2,144.65, 2,959.36 and 1,200.49 is: 1,656.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.65 : 2,959.36 = 1,200.49 : x
  2. Step 2: Convert to fraction form
    2,144.65/2,959.36 = 1,200.49/x
  3. Step 3: Cross multiply
    2,144.65x = 2,959.36 × 1,200.49
  4. Step 4: Simplify right side
    2,144.65x = 3,552,682.09
  5. Step 5: Solve for x
    x = 3,552,682.09/2,144.65
  6. Step 6: Final answer
    x = 1,656.53

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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.