Home / 1,931.95-2,892.73-1,589.42

Finding the Fourth Proportional to 1,931.95, 2,892.73 and 1,589.42

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Solution

The fourth proportional to 1,931.95, 2,892.73 and 1,589.42 is: 2,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.95 : 2,892.73 = 1,589.42 : x
  2. Step 2: Convert to fraction form
    1,931.95/2,892.73 = 1,589.42/x
  3. Step 3: Cross multiply
    1,931.95x = 2,892.73 × 1,589.42
  4. Step 4: Simplify right side
    1,931.95x = 4,597,755.68
  5. Step 5: Solve for x
    x = 4,597,755.68/1,931.95
  6. Step 6: Final answer
    x = 2,379.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.