Home / 3,451.39-5,176.99-1,111.39

Finding the Fourth Proportional to 3,451.39, 5,176.99 and 1,111.39

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Solution

The fourth proportional to 3,451.39, 5,176.99 and 1,111.39 is: 1,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.39 : 5,176.99 = 1,111.39 : x
  2. Step 2: Convert to fraction form
    3,451.39/5,176.99 = 1,111.39/x
  3. Step 3: Cross multiply
    3,451.39x = 5,176.99 × 1,111.39
  4. Step 4: Simplify right side
    3,451.39x = 5,753,654.92
  5. Step 5: Solve for x
    x = 5,753,654.92/3,451.39
  6. Step 6: Final answer
    x = 1,667.05

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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.