Home / 3,629.16-5,445.66-2,657

Finding the Fourth Proportional to 3,629.16, 5,445.66 and 2,657

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Solution

The fourth proportional to 3,629.16, 5,445.66 and 2,657 is: 3,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.16 : 5,445.66 = 2,657 : x
  2. Step 2: Convert to fraction form
    3,629.16/5,445.66 = 2,657/x
  3. Step 3: Cross multiply
    3,629.16x = 5,445.66 × 2,657
  4. Step 4: Simplify right side
    3,629.16x = 14,469,118.62
  5. Step 5: Solve for x
    x = 14,469,118.62/3,629.16
  6. Step 6: Final answer
    x = 3,986.91

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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.