Home / 1,923.94-2,654.84-1,178.11

Finding the Fourth Proportional to 1,923.94, 2,654.84 and 1,178.11

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Solution

The fourth proportional to 1,923.94, 2,654.84 and 1,178.11 is: 1,625.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.94 : 2,654.84 = 1,178.11 : x
  2. Step 2: Convert to fraction form
    1,923.94/2,654.84 = 1,178.11/x
  3. Step 3: Cross multiply
    1,923.94x = 2,654.84 × 1,178.11
  4. Step 4: Simplify right side
    1,923.94x = 3,127,677.33
  5. Step 5: Solve for x
    x = 3,127,677.33/1,923.94
  6. Step 6: Final answer
    x = 1,625.67

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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.