Home / 3,115.05-4,299.23-2,052.65

Finding the Fourth Proportional to 3,115.05, 4,299.23 and 2,052.65

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Solution

The fourth proportional to 3,115.05, 4,299.23 and 2,052.65 is: 2,832.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.05 : 4,299.23 = 2,052.65 : x
  2. Step 2: Convert to fraction form
    3,115.05/4,299.23 = 2,052.65/x
  3. Step 3: Cross multiply
    3,115.05x = 4,299.23 × 2,052.65
  4. Step 4: Simplify right side
    3,115.05x = 8,824,814.46
  5. Step 5: Solve for x
    x = 8,824,814.46/3,115.05
  6. Step 6: Final answer
    x = 2,832.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.