Home / 2,800.33-4,197.74-1,339.14

Finding the Fourth Proportional to 2,800.33, 4,197.74 and 1,339.14

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Solution

The fourth proportional to 2,800.33, 4,197.74 and 1,339.14 is: 2,007.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800.33 : 4,197.74 = 1,339.14 : x
  2. Step 2: Convert to fraction form
    2,800.33/4,197.74 = 1,339.14/x
  3. Step 3: Cross multiply
    2,800.33x = 4,197.74 × 1,339.14
  4. Step 4: Simplify right side
    2,800.33x = 5,621,344.35
  5. Step 5: Solve for x
    x = 5,621,344.35/2,800.33
  6. Step 6: Final answer
    x = 2,007.39

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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.