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Finding the Fourth Proportional to 1,955.22, 2,933.22 and 656.64

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Solution

The fourth proportional to 1,955.22, 2,933.22 and 656.64 is: 985.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.22 : 2,933.22 = 656.64 : x
  2. Step 2: Convert to fraction form
    1,955.22/2,933.22 = 656.64/x
  3. Step 3: Cross multiply
    1,955.22x = 2,933.22 × 656.64
  4. Step 4: Simplify right side
    1,955.22x = 1,926,069.58
  5. Step 5: Solve for x
    x = 1,926,069.58/1,955.22
  6. Step 6: Final answer
    x = 985.09

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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.