Home / 3,338.10-5,007.25-1,146.80

Finding the Fourth Proportional to 3,338.10, 5,007.25 and 1,146.80

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Solution

The fourth proportional to 3,338.10, 5,007.25 and 1,146.80 is: 1,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.10 : 5,007.25 = 1,146.80 : x
  2. Step 2: Convert to fraction form
    3,338.10/5,007.25 = 1,146.80/x
  3. Step 3: Cross multiply
    3,338.10x = 5,007.25 × 1,146.80
  4. Step 4: Simplify right side
    3,338.10x = 5,742,314.30
  5. Step 5: Solve for x
    x = 5,742,314.30/3,338.10
  6. Step 6: Final answer
    x = 1,720.23

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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.