Home / 3,013.25-4,520.09-932.99

Finding the Fourth Proportional to 3,013.25, 4,520.09 and 932.99

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Solution

The fourth proportional to 3,013.25, 4,520.09 and 932.99 is: 1,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.25 : 4,520.09 = 932.99 : x
  2. Step 2: Convert to fraction form
    3,013.25/4,520.09 = 932.99/x
  3. Step 3: Cross multiply
    3,013.25x = 4,520.09 × 932.99
  4. Step 4: Simplify right side
    3,013.25x = 4,217,171.50
  5. Step 5: Solve for x
    x = 4,217,171.50/3,013.25
  6. Step 6: Final answer
    x = 1,399.54

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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.