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Finding the Fourth Proportional to 3,805.39, 5,708.02 and 1,955.44

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Solution

The fourth proportional to 3,805.39, 5,708.02 and 1,955.44 is: 2,933.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.39 : 5,708.02 = 1,955.44 : x
  2. Step 2: Convert to fraction form
    3,805.39/5,708.02 = 1,955.44/x
  3. Step 3: Cross multiply
    3,805.39x = 5,708.02 × 1,955.44
  4. Step 4: Simplify right side
    3,805.39x = 11,161,690.63
  5. Step 5: Solve for x
    x = 11,161,690.63/3,805.39
  6. Step 6: Final answer
    x = 2,933.13

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1.5x scale

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.