Home / 1,974.50-2,724.87-1,135.37

Finding the Fourth Proportional to 1,974.50, 2,724.87 and 1,135.37

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Solution

The fourth proportional to 1,974.50, 2,724.87 and 1,135.37 is: 1,566.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.50 : 2,724.87 = 1,135.37 : x
  2. Step 2: Convert to fraction form
    1,974.50/2,724.87 = 1,135.37/x
  3. Step 3: Cross multiply
    1,974.50x = 2,724.87 × 1,135.37
  4. Step 4: Simplify right side
    1,974.50x = 3,093,740.34
  5. Step 5: Solve for x
    x = 3,093,740.34/1,974.50
  6. Step 6: Final answer
    x = 1,566.85

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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.