Home / 3,665.34-5,498.87-1,324.94

Finding the Fourth Proportional to 3,665.34, 5,498.87 and 1,324.94

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Solution

The fourth proportional to 3,665.34, 5,498.87 and 1,324.94 is: 1,987.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.34 : 5,498.87 = 1,324.94 : x
  2. Step 2: Convert to fraction form
    3,665.34/5,498.87 = 1,324.94/x
  3. Step 3: Cross multiply
    3,665.34x = 5,498.87 × 1,324.94
  4. Step 4: Simplify right side
    3,665.34x = 7,285,638.70
  5. Step 5: Solve for x
    x = 7,285,638.70/3,665.34
  6. Step 6: Final answer
    x = 1,987.71

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1.5x scale

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.