Home / 2,339.45-3,511.68-2,081.10

Finding the Fourth Proportional to 2,339.45, 3,511.68 and 2,081.10

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Solution

The fourth proportional to 2,339.45, 3,511.68 and 2,081.10 is: 3,123.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.45 : 3,511.68 = 2,081.10 : x
  2. Step 2: Convert to fraction form
    2,339.45/3,511.68 = 2,081.10/x
  3. Step 3: Cross multiply
    2,339.45x = 3,511.68 × 2,081.10
  4. Step 4: Simplify right side
    2,339.45x = 7,308,146.84
  5. Step 5: Solve for x
    x = 7,308,146.84/2,339.45
  6. Step 6: Final answer
    x = 3,123.88

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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.