Home / 1,922.67-2,652.89-1,176.80

Finding the Fourth Proportional to 1,922.67, 2,652.89 and 1,176.80

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Solution

The fourth proportional to 1,922.67, 2,652.89 and 1,176.80 is: 1,623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.67 : 2,652.89 = 1,176.80 : x
  2. Step 2: Convert to fraction form
    1,922.67/2,652.89 = 1,176.80/x
  3. Step 3: Cross multiply
    1,922.67x = 2,652.89 × 1,176.80
  4. Step 4: Simplify right side
    1,922.67x = 3,121,901.80
  5. Step 5: Solve for x
    x = 3,121,901.80/1,922.67
  6. Step 6: Final answer
    x = 1,623.73

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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.