Home / 1,519.10-2,278.65-1,172.94

Finding the Fourth Proportional to 1,519.10, 2,278.65 and 1,172.94

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Solution

The fourth proportional to 1,519.10, 2,278.65 and 1,172.94 is: 1,759.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.10 : 2,278.65 = 1,172.94 : x
  2. Step 2: Convert to fraction form
    1,519.10/2,278.65 = 1,172.94/x
  3. Step 3: Cross multiply
    1,519.10x = 2,278.65 × 1,172.94
  4. Step 4: Simplify right side
    1,519.10x = 2,672,719.73
  5. Step 5: Solve for x
    x = 2,672,719.73/1,519.10
  6. Step 6: Final answer
    x = 1,759.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.