Home / 3,628.50-5,441.99-1,777.75

Finding the Fourth Proportional to 3,628.50, 5,441.99 and 1,777.75

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Solution

The fourth proportional to 3,628.50, 5,441.99 and 1,777.75 is: 2,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.50 : 5,441.99 = 1,777.75 : x
  2. Step 2: Convert to fraction form
    3,628.50/5,441.99 = 1,777.75/x
  3. Step 3: Cross multiply
    3,628.50x = 5,441.99 × 1,777.75
  4. Step 4: Simplify right side
    3,628.50x = 9,674,497.72
  5. Step 5: Solve for x
    x = 9,674,497.72/3,628.50
  6. Step 6: Final answer
    x = 2,666.25

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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.