Home / 1,820.06-2,729.13-793.50

Finding the Fourth Proportional to 1,820.06, 2,729.13 and 793.50

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Solution

The fourth proportional to 1,820.06, 2,729.13 and 793.50 is: 1,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.06 : 2,729.13 = 793.50 : x
  2. Step 2: Convert to fraction form
    1,820.06/2,729.13 = 793.50/x
  3. Step 3: Cross multiply
    1,820.06x = 2,729.13 × 793.50
  4. Step 4: Simplify right side
    1,820.06x = 2,165,564.66
  5. Step 5: Solve for x
    x = 2,165,564.66/1,820.06
  6. Step 6: Final answer
    x = 1,189.83

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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.