Home / 3,207.67-4,426.79-1,881.23

Finding the Fourth Proportional to 3,207.67, 4,426.79 and 1,881.23

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Solution

The fourth proportional to 3,207.67, 4,426.79 and 1,881.23 is: 2,596.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.67 : 4,426.79 = 1,881.23 : x
  2. Step 2: Convert to fraction form
    3,207.67/4,426.79 = 1,881.23/x
  3. Step 3: Cross multiply
    3,207.67x = 4,426.79 × 1,881.23
  4. Step 4: Simplify right side
    3,207.67x = 8,327,778.61
  5. Step 5: Solve for x
    x = 8,327,778.61/3,207.67
  6. Step 6: Final answer
    x = 2,596.21

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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.