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Finding the Fourth Proportional to 2,749.93, 3,793.50 and 1,805.59

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Solution

The fourth proportional to 2,749.93, 3,793.50 and 1,805.59 is: 2,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.93 : 3,793.50 = 1,805.59 : x
  2. Step 2: Convert to fraction form
    2,749.93/3,793.50 = 1,805.59/x
  3. Step 3: Cross multiply
    2,749.93x = 3,793.50 × 1,805.59
  4. Step 4: Simplify right side
    2,749.93x = 6,849,486.79
  5. Step 5: Solve for x
    x = 6,849,486.79/2,749.93
  6. Step 6: Final answer
    x = 2,490.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.