Home / 3,381.84-5,072.75-1,273.86

Finding the Fourth Proportional to 3,381.84, 5,072.75 and 1,273.86

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Solution

The fourth proportional to 3,381.84, 5,072.75 and 1,273.86 is: 1,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.84 : 5,072.75 = 1,273.86 : x
  2. Step 2: Convert to fraction form
    3,381.84/5,072.75 = 1,273.86/x
  3. Step 3: Cross multiply
    3,381.84x = 5,072.75 × 1,273.86
  4. Step 4: Simplify right side
    3,381.84x = 6,461,966.95
  5. Step 5: Solve for x
    x = 6,461,966.95/3,381.84
  6. Step 6: Final answer
    x = 1,910.78

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1.5x scale

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.