Home / 3,971.01-5,477.99-2,480.07

Finding the Fourth Proportional to 3,971.01, 5,477.99 and 2,480.07

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Solution

The fourth proportional to 3,971.01, 5,477.99 and 2,480.07 is: 3,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.01 : 5,477.99 = 2,480.07 : x
  2. Step 2: Convert to fraction form
    3,971.01/5,477.99 = 2,480.07/x
  3. Step 3: Cross multiply
    3,971.01x = 5,477.99 × 2,480.07
  4. Step 4: Simplify right side
    3,971.01x = 13,585,786.26
  5. Step 5: Solve for x
    x = 13,585,786.26/3,971.01
  6. Step 6: Final answer
    x = 3,421.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.