Home / 3,950.80-5,925.52-1,485.36

Finding the Fourth Proportional to 3,950.80, 5,925.52 and 1,485.36

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Solution

The fourth proportional to 3,950.80, 5,925.52 and 1,485.36 is: 2,227.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.80 : 5,925.52 = 1,485.36 : x
  2. Step 2: Convert to fraction form
    3,950.80/5,925.52 = 1,485.36/x
  3. Step 3: Cross multiply
    3,950.80x = 5,925.52 × 1,485.36
  4. Step 4: Simplify right side
    3,950.80x = 8,801,530.39
  5. Step 5: Solve for x
    x = 8,801,530.39/3,950.80
  6. Step 6: Final answer
    x = 2,227.78

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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.