Home / 3,854.12-5,802.18-2,629.25

Finding the Fourth Proportional to 3,854.12, 5,802.18 and 2,629.25

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Solution

The fourth proportional to 3,854.12, 5,802.18 and 2,629.25 is: 3,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.12 : 5,802.18 = 2,629.25 : x
  2. Step 2: Convert to fraction form
    3,854.12/5,802.18 = 2,629.25/x
  3. Step 3: Cross multiply
    3,854.12x = 5,802.18 × 2,629.25
  4. Step 4: Simplify right side
    3,854.12x = 15,255,352.75
  5. Step 5: Solve for x
    x = 15,255,352.75/3,854.12
  6. Step 6: Final answer
    x = 3,958.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.