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Finding the Fourth Proportional to 1,955.59, 2,933.82 and 569.03

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Solution

The fourth proportional to 1,955.59, 2,933.82 and 569.03 is: 853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.59 : 2,933.82 = 569.03 : x
  2. Step 2: Convert to fraction form
    1,955.59/2,933.82 = 569.03/x
  3. Step 3: Cross multiply
    1,955.59x = 2,933.82 × 569.03
  4. Step 4: Simplify right side
    1,955.59x = 1,669,436.80
  5. Step 5: Solve for x
    x = 1,669,436.80/1,955.59
  6. Step 6: Final answer
    x = 853.68

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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.