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Finding the Fourth Proportional to 1,808.94, 2,713.41 and 510.41

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Solution

The fourth proportional to 1,808.94, 2,713.41 and 510.41 is: 765.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.94 : 2,713.41 = 510.41 : x
  2. Step 2: Convert to fraction form
    1,808.94/2,713.41 = 510.41/x
  3. Step 3: Cross multiply
    1,808.94x = 2,713.41 × 510.41
  4. Step 4: Simplify right side
    1,808.94x = 1,384,938.03
  5. Step 5: Solve for x
    x = 1,384,938.03/1,808.94
  6. Step 6: Final answer
    x = 765.61

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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.