Home / 4,146.23-5,721.74-2,257.80

Finding the Fourth Proportional to 4,146.23, 5,721.74 and 2,257.80

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Solution

The fourth proportional to 4,146.23, 5,721.74 and 2,257.80 is: 3,115.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.23 : 5,721.74 = 2,257.80 : x
  2. Step 2: Convert to fraction form
    4,146.23/5,721.74 = 2,257.80/x
  3. Step 3: Cross multiply
    4,146.23x = 5,721.74 × 2,257.80
  4. Step 4: Simplify right side
    4,146.23x = 12,918,532.99
  5. Step 5: Solve for x
    x = 12,918,532.99/4,146.23
  6. Step 6: Final answer
    x = 3,115.73

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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.