Home / 3,287.41-4,528.85-2,290.91

Finding the Fourth Proportional to 3,287.41, 4,528.85 and 2,290.91

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Solution

The fourth proportional to 3,287.41, 4,528.85 and 2,290.91 is: 3,156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.41 : 4,528.85 = 2,290.91 : x
  2. Step 2: Convert to fraction form
    3,287.41/4,528.85 = 2,290.91/x
  3. Step 3: Cross multiply
    3,287.41x = 4,528.85 × 2,290.91
  4. Step 4: Simplify right side
    3,287.41x = 10,375,153.65
  5. Step 5: Solve for x
    x = 10,375,153.65/3,287.41
  6. Step 6: Final answer
    x = 3,156.03

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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.