Home / 2,455.11-3,387.96-1,336.03

Finding the Fourth Proportional to 2,455.11, 3,387.96 and 1,336.03

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Solution

The fourth proportional to 2,455.11, 3,387.96 and 1,336.03 is: 1,843.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.11 : 3,387.96 = 1,336.03 : x
  2. Step 2: Convert to fraction form
    2,455.11/3,387.96 = 1,336.03/x
  3. Step 3: Cross multiply
    2,455.11x = 3,387.96 × 1,336.03
  4. Step 4: Simplify right side
    2,455.11x = 4,526,407.73
  5. Step 5: Solve for x
    x = 4,526,407.73/2,455.11
  6. Step 6: Final answer
    x = 1,843.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.