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Finding the Fourth Proportional to 3,043.49, 4,565.23 and 852.28

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Solution

The fourth proportional to 3,043.49, 4,565.23 and 852.28 is: 1,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.49 : 4,565.23 = 852.28 : x
  2. Step 2: Convert to fraction form
    3,043.49/4,565.23 = 852.28/x
  3. Step 3: Cross multiply
    3,043.49x = 4,565.23 × 852.28
  4. Step 4: Simplify right side
    3,043.49x = 3,890,840.68
  5. Step 5: Solve for x
    x = 3,890,840.68/3,043.49
  6. Step 6: Final answer
    x = 1,278.42

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Similar ratio
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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.