Home / 3,514.48-5,271.61-917.41

Finding the Fourth Proportional to 3,514.48, 5,271.61 and 917.41

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Solution

The fourth proportional to 3,514.48, 5,271.61 and 917.41 is: 1,376.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.48 : 5,271.61 = 917.41 : x
  2. Step 2: Convert to fraction form
    3,514.48/5,271.61 = 917.41/x
  3. Step 3: Cross multiply
    3,514.48x = 5,271.61 × 917.41
  4. Step 4: Simplify right side
    3,514.48x = 4,836,227.73
  5. Step 5: Solve for x
    x = 4,836,227.73/3,514.48
  6. Step 6: Final answer
    x = 1,376.09

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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.