Home / 1,632.96-2,251.62-1,191.06

Finding the Fourth Proportional to 1,632.96, 2,251.62 and 1,191.06

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Solution

The fourth proportional to 1,632.96, 2,251.62 and 1,191.06 is: 1,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.96 : 2,251.62 = 1,191.06 : x
  2. Step 2: Convert to fraction form
    1,632.96/2,251.62 = 1,191.06/x
  3. Step 3: Cross multiply
    1,632.96x = 2,251.62 × 1,191.06
  4. Step 4: Simplify right side
    1,632.96x = 2,681,814.52
  5. Step 5: Solve for x
    x = 2,681,814.52/1,632.96
  6. Step 6: Final answer
    x = 1,642.30

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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.