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Finding the Fourth Proportional to 3,505.88, 4,837.93 and 1,933.88

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Solution

The fourth proportional to 3,505.88, 4,837.93 and 1,933.88 is: 2,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.88 : 4,837.93 = 1,933.88 : x
  2. Step 2: Convert to fraction form
    3,505.88/4,837.93 = 1,933.88/x
  3. Step 3: Cross multiply
    3,505.88x = 4,837.93 × 1,933.88
  4. Step 4: Simplify right side
    3,505.88x = 9,355,947.04
  5. Step 5: Solve for x
    x = 9,355,947.04/3,505.88
  6. Step 6: Final answer
    x = 2,668.64

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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.