Home / 2,690.44-4,013.09-2,573.80

Finding the Fourth Proportional to 2,690.44, 4,013.09 and 2,573.80

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Solution

The fourth proportional to 2,690.44, 4,013.09 and 2,573.80 is: 3,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.44 : 4,013.09 = 2,573.80 : x
  2. Step 2: Convert to fraction form
    2,690.44/4,013.09 = 2,573.80/x
  3. Step 3: Cross multiply
    2,690.44x = 4,013.09 × 2,573.80
  4. Step 4: Simplify right side
    2,690.44x = 10,328,891.04
  5. Step 5: Solve for x
    x = 10,328,891.04/2,690.44
  6. Step 6: Final answer
    x = 3,839.11

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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.