Home / 1,922.88-2,653.80-1,176.96

Finding the Fourth Proportional to 1,922.88, 2,653.80 and 1,176.96

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Solution

The fourth proportional to 1,922.88, 2,653.80 and 1,176.96 is: 1,624.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.88 : 2,653.80 = 1,176.96 : x
  2. Step 2: Convert to fraction form
    1,922.88/2,653.80 = 1,176.96/x
  3. Step 3: Cross multiply
    1,922.88x = 2,653.80 × 1,176.96
  4. Step 4: Simplify right side
    1,922.88x = 3,123,416.45
  5. Step 5: Solve for x
    x = 3,123,416.45/1,922.88
  6. Step 6: Final answer
    x = 1,624.34

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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.