Home / 3,644.66-5,028.75-2,648.21

Finding the Fourth Proportional to 3,644.66, 5,028.75 and 2,648.21

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Solution

The fourth proportional to 3,644.66, 5,028.75 and 2,648.21 is: 3,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.66 : 5,028.75 = 2,648.21 : x
  2. Step 2: Convert to fraction form
    3,644.66/5,028.75 = 2,648.21/x
  3. Step 3: Cross multiply
    3,644.66x = 5,028.75 × 2,648.21
  4. Step 4: Simplify right side
    3,644.66x = 13,317,160.89
  5. Step 5: Solve for x
    x = 13,317,160.89/3,644.66
  6. Step 6: Final answer
    x = 3,653.89

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1.5x scale

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.