Home / 2,480.12-3,720.96-1,556.32

Finding the Fourth Proportional to 2,480.12, 3,720.96 and 1,556.32

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Solution

The fourth proportional to 2,480.12, 3,720.96 and 1,556.32 is: 2,334.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.12 : 3,720.96 = 1,556.32 : x
  2. Step 2: Convert to fraction form
    2,480.12/3,720.96 = 1,556.32/x
  3. Step 3: Cross multiply
    2,480.12x = 3,720.96 × 1,556.32
  4. Step 4: Simplify right side
    2,480.12x = 5,791,004.47
  5. Step 5: Solve for x
    x = 5,791,004.47/2,480.12
  6. Step 6: Final answer
    x = 2,334.97

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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.