Home / 2,656.96-3,667.14-1,819.97

Finding the Fourth Proportional to 2,656.96, 3,667.14 and 1,819.97

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Solution

The fourth proportional to 2,656.96, 3,667.14 and 1,819.97 is: 2,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.96 : 3,667.14 = 1,819.97 : x
  2. Step 2: Convert to fraction form
    2,656.96/3,667.14 = 1,819.97/x
  3. Step 3: Cross multiply
    2,656.96x = 3,667.14 × 1,819.97
  4. Step 4: Simplify right side
    2,656.96x = 6,674,084.79
  5. Step 5: Solve for x
    x = 6,674,084.79/2,656.96
  6. Step 6: Final answer
    x = 2,511.93

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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.