Home / 3,638.37-5,453.49-1,557.33

Finding the Fourth Proportional to 3,638.37, 5,453.49 and 1,557.33

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Solution

The fourth proportional to 3,638.37, 5,453.49 and 1,557.33 is: 2,334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.37 : 5,453.49 = 1,557.33 : x
  2. Step 2: Convert to fraction form
    3,638.37/5,453.49 = 1,557.33/x
  3. Step 3: Cross multiply
    3,638.37x = 5,453.49 × 1,557.33
  4. Step 4: Simplify right side
    3,638.37x = 8,492,883.58
  5. Step 5: Solve for x
    x = 8,492,883.58/3,638.37
  6. Step 6: Final answer
    x = 2,334.26

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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.