Home / 2,339.19-3,511.31-2,080.84

Finding the Fourth Proportional to 2,339.19, 3,511.31 and 2,080.84

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Solution

The fourth proportional to 2,339.19, 3,511.31 and 2,080.84 is: 3,123.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.19 : 3,511.31 = 2,080.84 : x
  2. Step 2: Convert to fraction form
    2,339.19/3,511.31 = 2,080.84/x
  3. Step 3: Cross multiply
    2,339.19x = 3,511.31 × 2,080.84
  4. Step 4: Simplify right side
    2,339.19x = 7,306,474.30
  5. Step 5: Solve for x
    x = 7,306,474.30/2,339.19
  6. Step 6: Final answer
    x = 3,123.51

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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.