Home / 2,911.58-4,363.24-1,679.30

Finding the Fourth Proportional to 2,911.58, 4,363.24 and 1,679.30

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Solution

The fourth proportional to 2,911.58, 4,363.24 and 1,679.30 is: 2,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.58 : 4,363.24 = 1,679.30 : x
  2. Step 2: Convert to fraction form
    2,911.58/4,363.24 = 1,679.30/x
  3. Step 3: Cross multiply
    2,911.58x = 4,363.24 × 1,679.30
  4. Step 4: Simplify right side
    2,911.58x = 7,327,188.93
  5. Step 5: Solve for x
    x = 7,327,188.93/2,911.58
  6. Step 6: Final answer
    x = 2,516.57

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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.