Home / 3,644.40-5,458.38-2,553.63

Finding the Fourth Proportional to 3,644.40, 5,458.38 and 2,553.63

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Solution

The fourth proportional to 3,644.40, 5,458.38 and 2,553.63 is: 3,824.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.40 : 5,458.38 = 2,553.63 : x
  2. Step 2: Convert to fraction form
    3,644.40/5,458.38 = 2,553.63/x
  3. Step 3: Cross multiply
    3,644.40x = 5,458.38 × 2,553.63
  4. Step 4: Simplify right side
    3,644.40x = 13,938,682.92
  5. Step 5: Solve for x
    x = 13,938,682.92/3,644.40
  6. Step 6: Final answer
    x = 3,824.69

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1.5x scale

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.