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Finding the Fourth Proportional to 1,826.59, 2,739.45 and 730.66

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Solution

The fourth proportional to 1,826.59, 2,739.45 and 730.66 is: 1,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.59 : 2,739.45 = 730.66 : x
  2. Step 2: Convert to fraction form
    1,826.59/2,739.45 = 730.66/x
  3. Step 3: Cross multiply
    1,826.59x = 2,739.45 × 730.66
  4. Step 4: Simplify right side
    1,826.59x = 2,001,606.54
  5. Step 5: Solve for x
    x = 2,001,606.54/1,826.59
  6. Step 6: Final answer
    x = 1,095.82

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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.