Home / 1,631.92-2,252.02-933.43

Finding the Fourth Proportional to 1,631.92, 2,252.02 and 933.43

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Solution

The fourth proportional to 1,631.92, 2,252.02 and 933.43 is: 1,288.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.92 : 2,252.02 = 933.43 : x
  2. Step 2: Convert to fraction form
    1,631.92/2,252.02 = 933.43/x
  3. Step 3: Cross multiply
    1,631.92x = 2,252.02 × 933.43
  4. Step 4: Simplify right side
    1,631.92x = 2,102,103.03
  5. Step 5: Solve for x
    x = 2,102,103.03/1,631.92
  6. Step 6: Final answer
    x = 1,288.12

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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.