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Finding the Fourth Proportional to 3,056.53, 4,584.27 and 864.75

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Solution

The fourth proportional to 3,056.53, 4,584.27 and 864.75 is: 1,296.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.53 : 4,584.27 = 864.75 : x
  2. Step 2: Convert to fraction form
    3,056.53/4,584.27 = 864.75/x
  3. Step 3: Cross multiply
    3,056.53x = 4,584.27 × 864.75
  4. Step 4: Simplify right side
    3,056.53x = 3,964,247.48
  5. Step 5: Solve for x
    x = 3,964,247.48/3,056.53
  6. Step 6: Final answer
    x = 1,296.98

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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.