Home / 3,287.48-4,531.41-2,861.01

Finding the Fourth Proportional to 3,287.48, 4,531.41 and 2,861.01

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Solution

The fourth proportional to 3,287.48, 4,531.41 and 2,861.01 is: 3,943.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.48 : 4,531.41 = 2,861.01 : x
  2. Step 2: Convert to fraction form
    3,287.48/4,531.41 = 2,861.01/x
  3. Step 3: Cross multiply
    3,287.48x = 4,531.41 × 2,861.01
  4. Step 4: Simplify right side
    3,287.48x = 12,964,409.32
  5. Step 5: Solve for x
    x = 12,964,409.32/3,287.48
  6. Step 6: Final answer
    x = 3,943.58

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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.