Home / 1,826.64-2,520.70-1,080.44

Finding the Fourth Proportional to 1,826.64, 2,520.70 and 1,080.44

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Solution

The fourth proportional to 1,826.64, 2,520.70 and 1,080.44 is: 1,490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.64 : 2,520.70 = 1,080.44 : x
  2. Step 2: Convert to fraction form
    1,826.64/2,520.70 = 1,080.44/x
  3. Step 3: Cross multiply
    1,826.64x = 2,520.70 × 1,080.44
  4. Step 4: Simplify right side
    1,826.64x = 2,723,465.11
  5. Step 5: Solve for x
    x = 2,723,465.11/1,826.64
  6. Step 6: Final answer
    x = 1,490.97

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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.