Home / 3,381.48-5,072.63-1,189.76

Finding the Fourth Proportional to 3,381.48, 5,072.63 and 1,189.76

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Solution

The fourth proportional to 3,381.48, 5,072.63 and 1,189.76 is: 1,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.48 : 5,072.63 = 1,189.76 : x
  2. Step 2: Convert to fraction form
    3,381.48/5,072.63 = 1,189.76/x
  3. Step 3: Cross multiply
    3,381.48x = 5,072.63 × 1,189.76
  4. Step 4: Simplify right side
    3,381.48x = 6,035,180.96
  5. Step 5: Solve for x
    x = 6,035,180.96/3,381.48
  6. Step 6: Final answer
    x = 1,784.77

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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.