Home / 1,517.10-2,277.90-1,442.82

Finding the Fourth Proportional to 1,517.10, 2,277.90 and 1,442.82

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Solution

The fourth proportional to 1,517.10, 2,277.90 and 1,442.82 is: 2,166.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.10 : 2,277.90 = 1,442.82 : x
  2. Step 2: Convert to fraction form
    1,517.10/2,277.90 = 1,442.82/x
  3. Step 3: Cross multiply
    1,517.10x = 2,277.90 × 1,442.82
  4. Step 4: Simplify right side
    1,517.10x = 3,286,599.68
  5. Step 5: Solve for x
    x = 3,286,599.68/1,517.10
  6. Step 6: Final answer
    x = 2,166.37

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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.