Home / 1,219.20-1,826.66-1,025.48

Finding the Fourth Proportional to 1,219.20, 1,826.66 and 1,025.48

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Solution

The fourth proportional to 1,219.20, 1,826.66 and 1,025.48 is: 1,536.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219.20 : 1,826.66 = 1,025.48 : x
  2. Step 2: Convert to fraction form
    1,219.20/1,826.66 = 1,025.48/x
  3. Step 3: Cross multiply
    1,219.20x = 1,826.66 × 1,025.48
  4. Step 4: Simplify right side
    1,219.20x = 1,873,189.04
  5. Step 5: Solve for x
    x = 1,873,189.04/1,219.20
  6. Step 6: Final answer
    x = 1,536.41

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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.