Home / 1,826.70-2,520.93-1,081.09

Finding the Fourth Proportional to 1,826.70, 2,520.93 and 1,081.09

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Solution

The fourth proportional to 1,826.70, 2,520.93 and 1,081.09 is: 1,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.70 : 2,520.93 = 1,081.09 : x
  2. Step 2: Convert to fraction form
    1,826.70/2,520.93 = 1,081.09/x
  3. Step 3: Cross multiply
    1,826.70x = 2,520.93 × 1,081.09
  4. Step 4: Simplify right side
    1,826.70x = 2,725,352.21
  5. Step 5: Solve for x
    x = 2,725,352.21/1,826.70
  6. Step 6: Final answer
    x = 1,491.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.