Home / 1,826.44-2,520.38-1,029.78

Finding the Fourth Proportional to 1,826.44, 2,520.38 and 1,029.78

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Solution

The fourth proportional to 1,826.44, 2,520.38 and 1,029.78 is: 1,421.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.44 : 2,520.38 = 1,029.78 : x
  2. Step 2: Convert to fraction form
    1,826.44/2,520.38 = 1,029.78/x
  3. Step 3: Cross multiply
    1,826.44x = 2,520.38 × 1,029.78
  4. Step 4: Simplify right side
    1,826.44x = 2,595,439.49
  5. Step 5: Solve for x
    x = 2,595,439.49/1,826.44
  6. Step 6: Final answer
    x = 1,421.04

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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.