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Finding the Fourth Proportional to 3,043.98, 4,565.79 and 852.66

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Solution

The fourth proportional to 3,043.98, 4,565.79 and 852.66 is: 1,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.98 : 4,565.79 = 852.66 : x
  2. Step 2: Convert to fraction form
    3,043.98/4,565.79 = 852.66/x
  3. Step 3: Cross multiply
    3,043.98x = 4,565.79 × 852.66
  4. Step 4: Simplify right side
    3,043.98x = 3,893,066.50
  5. Step 5: Solve for x
    x = 3,893,066.50/3,043.98
  6. Step 6: Final answer
    x = 1,278.94

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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.