Home / 1,826.41-2,520.11-1,079.77

Finding the Fourth Proportional to 1,826.41, 2,520.11 and 1,079.77

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Solution

The fourth proportional to 1,826.41, 2,520.11 and 1,079.77 is: 1,489.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.41 : 2,520.11 = 1,079.77 : x
  2. Step 2: Convert to fraction form
    1,826.41/2,520.11 = 1,079.77/x
  3. Step 3: Cross multiply
    1,826.41x = 2,520.11 × 1,079.77
  4. Step 4: Simplify right side
    1,826.41x = 2,721,133.78
  5. Step 5: Solve for x
    x = 2,721,133.78/1,826.41
  6. Step 6: Final answer
    x = 1,489.88

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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.