Home / 3,981.83-5,975.93-2,339.75

Finding the Fourth Proportional to 3,981.83, 5,975.93 and 2,339.75

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Solution

The fourth proportional to 3,981.83, 5,975.93 and 2,339.75 is: 3,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.83 : 5,975.93 = 2,339.75 : x
  2. Step 2: Convert to fraction form
    3,981.83/5,975.93 = 2,339.75/x
  3. Step 3: Cross multiply
    3,981.83x = 5,975.93 × 2,339.75
  4. Step 4: Simplify right side
    3,981.83x = 13,982,140.64
  5. Step 5: Solve for x
    x = 13,982,140.64/3,981.83
  6. Step 6: Final answer
    x = 3,511.49

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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.