Home / 2,811.17-4,213.25-1,579.46

Finding the Fourth Proportional to 2,811.17, 4,213.25 and 1,579.46

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Solution

The fourth proportional to 2,811.17, 4,213.25 and 1,579.46 is: 2,367.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811.17 : 4,213.25 = 1,579.46 : x
  2. Step 2: Convert to fraction form
    2,811.17/4,213.25 = 1,579.46/x
  3. Step 3: Cross multiply
    2,811.17x = 4,213.25 × 1,579.46
  4. Step 4: Simplify right side
    2,811.17x = 6,654,638.78
  5. Step 5: Solve for x
    x = 6,654,638.78/2,811.17
  6. Step 6: Final answer
    x = 2,367.22

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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.