Home / 3,218.54-4,818.08-2,910.53

Finding the Fourth Proportional to 3,218.54, 4,818.08 and 2,910.53

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Solution

The fourth proportional to 3,218.54, 4,818.08 and 2,910.53 is: 4,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.54 : 4,818.08 = 2,910.53 : x
  2. Step 2: Convert to fraction form
    3,218.54/4,818.08 = 2,910.53/x
  3. Step 3: Cross multiply
    3,218.54x = 4,818.08 × 2,910.53
  4. Step 4: Simplify right side
    3,218.54x = 14,023,185.70
  5. Step 5: Solve for x
    x = 14,023,185.70/3,218.54
  6. Step 6: Final answer
    x = 4,357.01

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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.