Home / 3,338.21-5,007.42-1,146.91

Finding the Fourth Proportional to 3,338.21, 5,007.42 and 1,146.91

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Solution

The fourth proportional to 3,338.21, 5,007.42 and 1,146.91 is: 1,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.21 : 5,007.42 = 1,146.91 : x
  2. Step 2: Convert to fraction form
    3,338.21/5,007.42 = 1,146.91/x
  3. Step 3: Cross multiply
    3,338.21x = 5,007.42 × 1,146.91
  4. Step 4: Simplify right side
    3,338.21x = 5,743,036.99
  5. Step 5: Solve for x
    x = 5,743,036.99/3,338.21
  6. Step 6: Final answer
    x = 1,720.39

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1.5x scale

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.