Home / 1,632.12-2,252.52-933.72

Finding the Fourth Proportional to 1,632.12, 2,252.52 and 933.72

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Solution

The fourth proportional to 1,632.12, 2,252.52 and 933.72 is: 1,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.12 : 2,252.52 = 933.72 : x
  2. Step 2: Convert to fraction form
    1,632.12/2,252.52 = 933.72/x
  3. Step 3: Cross multiply
    1,632.12x = 2,252.52 × 933.72
  4. Step 4: Simplify right side
    1,632.12x = 2,103,222.97
  5. Step 5: Solve for x
    x = 2,103,222.97/1,632.12
  6. Step 6: Final answer
    x = 1,288.64

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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.