Home / 1,811.29-2,499.44-1,025.39

Finding the Fourth Proportional to 1,811.29, 2,499.44 and 1,025.39

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Solution

The fourth proportional to 1,811.29, 2,499.44 and 1,025.39 is: 1,414.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.29 : 2,499.44 = 1,025.39 : x
  2. Step 2: Convert to fraction form
    1,811.29/2,499.44 = 1,025.39/x
  3. Step 3: Cross multiply
    1,811.29x = 2,499.44 × 1,025.39
  4. Step 4: Simplify right side
    1,811.29x = 2,562,900.78
  5. Step 5: Solve for x
    x = 2,562,900.78/1,811.29
  6. Step 6: Final answer
    x = 1,414.96

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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.