Home / 1,484.44-2,048.56-961.38

Finding the Fourth Proportional to 1,484.44, 2,048.56 and 961.38

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Solution

The fourth proportional to 1,484.44, 2,048.56 and 961.38 is: 1,326.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.44 : 2,048.56 = 961.38 : x
  2. Step 2: Convert to fraction form
    1,484.44/2,048.56 = 961.38/x
  3. Step 3: Cross multiply
    1,484.44x = 2,048.56 × 961.38
  4. Step 4: Simplify right side
    1,484.44x = 1,969,442.21
  5. Step 5: Solve for x
    x = 1,969,442.21/1,484.44
  6. Step 6: Final answer
    x = 1,326.73

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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.