Home / 3,486.83-5,229.87-1,021.68

Finding the Fourth Proportional to 3,486.83, 5,229.87 and 1,021.68

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Solution

The fourth proportional to 3,486.83, 5,229.87 and 1,021.68 is: 1,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.83 : 5,229.87 = 1,021.68 : x
  2. Step 2: Convert to fraction form
    3,486.83/5,229.87 = 1,021.68/x
  3. Step 3: Cross multiply
    3,486.83x = 5,229.87 × 1,021.68
  4. Step 4: Simplify right side
    3,486.83x = 5,343,230.14
  5. Step 5: Solve for x
    x = 5,343,230.14/3,486.83
  6. Step 6: Final answer
    x = 1,532.40

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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.