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Finding the Fourth Proportional to 3,045.86, 4,568.08 and 854.80

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Solution

The fourth proportional to 3,045.86, 4,568.08 and 854.80 is: 1,282.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.86 : 4,568.08 = 854.80 : x
  2. Step 2: Convert to fraction form
    3,045.86/4,568.08 = 854.80/x
  3. Step 3: Cross multiply
    3,045.86x = 4,568.08 × 854.80
  4. Step 4: Simplify right side
    3,045.86x = 3,904,794.78
  5. Step 5: Solve for x
    x = 3,904,794.78/3,045.86
  6. Step 6: Final answer
    x = 1,282.00

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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.