Home / 3,218.61-4,820.04-2,906.96

Finding the Fourth Proportional to 3,218.61, 4,820.04 and 2,906.96

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Solution

The fourth proportional to 3,218.61, 4,820.04 and 2,906.96 is: 4,353.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.61 : 4,820.04 = 2,906.96 : x
  2. Step 2: Convert to fraction form
    3,218.61/4,820.04 = 2,906.96/x
  3. Step 3: Cross multiply
    3,218.61x = 4,820.04 × 2,906.96
  4. Step 4: Simplify right side
    3,218.61x = 14,011,663.48
  5. Step 5: Solve for x
    x = 14,011,663.48/3,218.61
  6. Step 6: Final answer
    x = 4,353.33

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1.5x scale

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.