Home / 2,287.40-3,431.09-556.03

Finding the Fourth Proportional to 2,287.40, 3,431.09 and 556.03

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Solution

The fourth proportional to 2,287.40, 3,431.09 and 556.03 is: 834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.40 : 3,431.09 = 556.03 : x
  2. Step 2: Convert to fraction form
    2,287.40/3,431.09 = 556.03/x
  3. Step 3: Cross multiply
    2,287.40x = 3,431.09 × 556.03
  4. Step 4: Simplify right side
    2,287.40x = 1,907,788.97
  5. Step 5: Solve for x
    x = 1,907,788.97/2,287.40
  6. Step 6: Final answer
    x = 834.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.