Home / 2,480.12-3,720.80-1,751.12

Finding the Fourth Proportional to 2,480.12, 3,720.80 and 1,751.12

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Solution

The fourth proportional to 2,480.12, 3,720.80 and 1,751.12 is: 2,627.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.12 : 3,720.80 = 1,751.12 : x
  2. Step 2: Convert to fraction form
    2,480.12/3,720.80 = 1,751.12/x
  3. Step 3: Cross multiply
    2,480.12x = 3,720.80 × 1,751.12
  4. Step 4: Simplify right side
    2,480.12x = 6,515,567.30
  5. Step 5: Solve for x
    x = 6,515,567.30/2,480.12
  6. Step 6: Final answer
    x = 2,627.12

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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.