Home / 1,822.87-2,734.50-668.62

Finding the Fourth Proportional to 1,822.87, 2,734.50 and 668.62

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Solution

The fourth proportional to 1,822.87, 2,734.50 and 668.62 is: 1,002.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.87 : 2,734.50 = 668.62 : x
  2. Step 2: Convert to fraction form
    1,822.87/2,734.50 = 668.62/x
  3. Step 3: Cross multiply
    1,822.87x = 2,734.50 × 668.62
  4. Step 4: Simplify right side
    1,822.87x = 1,828,324.37
  5. Step 5: Solve for x
    x = 1,828,324.37/1,822.87
  6. Step 6: Final answer
    x = 1,002.99

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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.