Home / 3,625.54-5,437.42-1,403.64

Finding the Fourth Proportional to 3,625.54, 5,437.42 and 1,403.64

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Solution

The fourth proportional to 3,625.54, 5,437.42 and 1,403.64 is: 2,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.54 : 5,437.42 = 1,403.64 : x
  2. Step 2: Convert to fraction form
    3,625.54/5,437.42 = 1,403.64/x
  3. Step 3: Cross multiply
    3,625.54x = 5,437.42 × 1,403.64
  4. Step 4: Simplify right side
    3,625.54x = 7,632,176.70
  5. Step 5: Solve for x
    x = 7,632,176.70/3,625.54
  6. Step 6: Final answer
    x = 2,105.12

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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.