Home / 1,795.18-2,691.73-820.76

Finding the Fourth Proportional to 1,795.18, 2,691.73 and 820.76

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Solution

The fourth proportional to 1,795.18, 2,691.73 and 820.76 is: 1,230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.18 : 2,691.73 = 820.76 : x
  2. Step 2: Convert to fraction form
    1,795.18/2,691.73 = 820.76/x
  3. Step 3: Cross multiply
    1,795.18x = 2,691.73 × 820.76
  4. Step 4: Simplify right side
    1,795.18x = 2,209,264.31
  5. Step 5: Solve for x
    x = 2,209,264.31/1,795.18
  6. Step 6: Final answer
    x = 1,230.66

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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.