Home / 3,339.48-5,007.60-1,147.44

Finding the Fourth Proportional to 3,339.48, 5,007.60 and 1,147.44

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Solution

The fourth proportional to 3,339.48, 5,007.60 and 1,147.44 is: 1,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.48 : 5,007.60 = 1,147.44 : x
  2. Step 2: Convert to fraction form
    3,339.48/5,007.60 = 1,147.44/x
  3. Step 3: Cross multiply
    3,339.48x = 5,007.60 × 1,147.44
  4. Step 4: Simplify right side
    3,339.48x = 5,745,920.54
  5. Step 5: Solve for x
    x = 5,745,920.54/3,339.48
  6. Step 6: Final answer
    x = 1,720.60

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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.