Home / 3,926.35-5,412.83-2,667.46

Finding the Fourth Proportional to 3,926.35, 5,412.83 and 2,667.46

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Solution

The fourth proportional to 3,926.35, 5,412.83 and 2,667.46 is: 3,677.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.35 : 5,412.83 = 2,667.46 : x
  2. Step 2: Convert to fraction form
    3,926.35/5,412.83 = 2,667.46/x
  3. Step 3: Cross multiply
    3,926.35x = 5,412.83 × 2,667.46
  4. Step 4: Simplify right side
    3,926.35x = 14,438,475.57
  5. Step 5: Solve for x
    x = 14,438,475.57/3,926.35
  6. Step 6: Final answer
    x = 3,677.33

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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.