Home / 2,772.09-4,174.29-2,046.74

Finding the Fourth Proportional to 2,772.09, 4,174.29 and 2,046.74

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Solution

The fourth proportional to 2,772.09, 4,174.29 and 2,046.74 is: 3,082.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.09 : 4,174.29 = 2,046.74 : x
  2. Step 2: Convert to fraction form
    2,772.09/4,174.29 = 2,046.74/x
  3. Step 3: Cross multiply
    2,772.09x = 4,174.29 × 2,046.74
  4. Step 4: Simplify right side
    2,772.09x = 8,543,665.44
  5. Step 5: Solve for x
    x = 8,543,665.44/2,772.09
  6. Step 6: Final answer
    x = 3,082.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.