Home / 2,676.78-4,015.23-1,581.93

Finding the Fourth Proportional to 2,676.78, 4,015.23 and 1,581.93

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Solution

The fourth proportional to 2,676.78, 4,015.23 and 1,581.93 is: 2,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.78 : 4,015.23 = 1,581.93 : x
  2. Step 2: Convert to fraction form
    2,676.78/4,015.23 = 1,581.93/x
  3. Step 3: Cross multiply
    2,676.78x = 4,015.23 × 1,581.93
  4. Step 4: Simplify right side
    2,676.78x = 6,351,812.79
  5. Step 5: Solve for x
    x = 6,351,812.79/2,676.78
  6. Step 6: Final answer
    x = 2,372.93

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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.