Home / 1,273.24-1,911.60-882.32

Finding the Fourth Proportional to 1,273.24, 1,911.60 and 882.32

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Solution

The fourth proportional to 1,273.24, 1,911.60 and 882.32 is: 1,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273.24 : 1,911.60 = 882.32 : x
  2. Step 2: Convert to fraction form
    1,273.24/1,911.60 = 882.32/x
  3. Step 3: Cross multiply
    1,273.24x = 1,911.60 × 882.32
  4. Step 4: Simplify right side
    1,273.24x = 1,686,642.91
  5. Step 5: Solve for x
    x = 1,686,642.91/1,273.24
  6. Step 6: Final answer
    x = 1,324.69

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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.