Home / 3,208.17-4,808.99-1,818.57

Finding the Fourth Proportional to 3,208.17, 4,808.99 and 1,818.57

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Solution

The fourth proportional to 3,208.17, 4,808.99 and 1,818.57 is: 2,726.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.17 : 4,808.99 = 1,818.57 : x
  2. Step 2: Convert to fraction form
    3,208.17/4,808.99 = 1,818.57/x
  3. Step 3: Cross multiply
    3,208.17x = 4,808.99 × 1,818.57
  4. Step 4: Simplify right side
    3,208.17x = 8,745,475.85
  5. Step 5: Solve for x
    x = 8,745,475.85/3,208.17
  6. Step 6: Final answer
    x = 2,726.00

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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.