Home / 3,339.46-5,007.18-1,147.60

Finding the Fourth Proportional to 3,339.46, 5,007.18 and 1,147.60

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Solution

The fourth proportional to 3,339.46, 5,007.18 and 1,147.60 is: 1,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.46 : 5,007.18 = 1,147.60 : x
  2. Step 2: Convert to fraction form
    3,339.46/5,007.18 = 1,147.60/x
  3. Step 3: Cross multiply
    3,339.46x = 5,007.18 × 1,147.60
  4. Step 4: Simplify right side
    3,339.46x = 5,746,239.77
  5. Step 5: Solve for x
    x = 5,746,239.77/3,339.46
  6. Step 6: Final answer
    x = 1,720.71

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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.