Home / 3,011.08-4,515-1,366.73

Finding the Fourth Proportional to 3,011.08, 4,515 and 1,366.73

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Solution

The fourth proportional to 3,011.08, 4,515 and 1,366.73 is: 2,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.08 : 4,515 = 1,366.73 : x
  2. Step 2: Convert to fraction form
    3,011.08/4,515 = 1,366.73/x
  3. Step 3: Cross multiply
    3,011.08x = 4,515 × 1,366.73
  4. Step 4: Simplify right side
    3,011.08x = 6,170,785.95
  5. Step 5: Solve for x
    x = 6,170,785.95/3,011.08
  6. Step 6: Final answer
    x = 2,049.36

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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.