Home / 2,667.11-4,000.21-1,205.93

Finding the Fourth Proportional to 2,667.11, 4,000.21 and 1,205.93

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Solution

The fourth proportional to 2,667.11, 4,000.21 and 1,205.93 is: 1,808.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667.11 : 4,000.21 = 1,205.93 : x
  2. Step 2: Convert to fraction form
    2,667.11/4,000.21 = 1,205.93/x
  3. Step 3: Cross multiply
    2,667.11x = 4,000.21 × 1,205.93
  4. Step 4: Simplify right side
    2,667.11x = 4,823,950.23
  5. Step 5: Solve for x
    x = 4,823,950.23/2,667.11
  6. Step 6: Final answer
    x = 1,808.68

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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.