Home / 3,005.05-4,506.64-1,056.80

Finding the Fourth Proportional to 3,005.05, 4,506.64 and 1,056.80

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Solution

The fourth proportional to 3,005.05, 4,506.64 and 1,056.80 is: 1,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.05 : 4,506.64 = 1,056.80 : x
  2. Step 2: Convert to fraction form
    3,005.05/4,506.64 = 1,056.80/x
  3. Step 3: Cross multiply
    3,005.05x = 4,506.64 × 1,056.80
  4. Step 4: Simplify right side
    3,005.05x = 4,762,600.43
  5. Step 5: Solve for x
    x = 4,762,600.43/3,005.05
  6. Step 6: Final answer
    x = 1,584.87

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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.