Home / 3,072.49-4,589.15-2,779.54

Finding the Fourth Proportional to 3,072.49, 4,589.15 and 2,779.54

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Solution

The fourth proportional to 3,072.49, 4,589.15 and 2,779.54 is: 4,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.49 : 4,589.15 = 2,779.54 : x
  2. Step 2: Convert to fraction form
    3,072.49/4,589.15 = 2,779.54/x
  3. Step 3: Cross multiply
    3,072.49x = 4,589.15 × 2,779.54
  4. Step 4: Simplify right side
    3,072.49x = 12,755,725.99
  5. Step 5: Solve for x
    x = 12,755,725.99/3,072.49
  6. Step 6: Final answer
    x = 4,151.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.