Home / 2,481.03-3,720.61-999.75

Finding the Fourth Proportional to 2,481.03, 3,720.61 and 999.75

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Solution

The fourth proportional to 2,481.03, 3,720.61 and 999.75 is: 1,499.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.03 : 3,720.61 = 999.75 : x
  2. Step 2: Convert to fraction form
    2,481.03/3,720.61 = 999.75/x
  3. Step 3: Cross multiply
    2,481.03x = 3,720.61 × 999.75
  4. Step 4: Simplify right side
    2,481.03x = 3,719,668.50
  5. Step 5: Solve for x
    x = 3,719,668.50/2,481.03
  6. Step 6: Final answer
    x = 1,499.24

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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.