Home / 3,645.21-5,467.83-1,012.93

Finding the Fourth Proportional to 3,645.21, 5,467.83 and 1,012.93

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Solution

The fourth proportional to 3,645.21, 5,467.83 and 1,012.93 is: 1,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.21 : 5,467.83 = 1,012.93 : x
  2. Step 2: Convert to fraction form
    3,645.21/5,467.83 = 1,012.93/x
  3. Step 3: Cross multiply
    3,645.21x = 5,467.83 × 1,012.93
  4. Step 4: Simplify right side
    3,645.21x = 5,538,515.37
  5. Step 5: Solve for x
    x = 5,538,515.37/3,645.21
  6. Step 6: Final answer
    x = 1,519.40

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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.