Home / 1,974.86-2,959.47-1,450.75

Finding the Fourth Proportional to 1,974.86, 2,959.47 and 1,450.75

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Solution

The fourth proportional to 1,974.86, 2,959.47 and 1,450.75 is: 2,174.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.86 : 2,959.47 = 1,450.75 : x
  2. Step 2: Convert to fraction form
    1,974.86/2,959.47 = 1,450.75/x
  3. Step 3: Cross multiply
    1,974.86x = 2,959.47 × 1,450.75
  4. Step 4: Simplify right side
    1,974.86x = 4,293,443.85
  5. Step 5: Solve for x
    x = 4,293,443.85/1,974.86
  6. Step 6: Final answer
    x = 2,174.05

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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.