Home / 3,215.18-4,818.80-1,829.66

Finding the Fourth Proportional to 3,215.18, 4,818.80 and 1,829.66

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Solution

The fourth proportional to 3,215.18, 4,818.80 and 1,829.66 is: 2,742.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.18 : 4,818.80 = 1,829.66 : x
  2. Step 2: Convert to fraction form
    3,215.18/4,818.80 = 1,829.66/x
  3. Step 3: Cross multiply
    3,215.18x = 4,818.80 × 1,829.66
  4. Step 4: Simplify right side
    3,215.18x = 8,816,765.61
  5. Step 5: Solve for x
    x = 8,816,765.61/3,215.18
  6. Step 6: Final answer
    x = 2,742.23

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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.