Home / 3,666.78-5,060.03-2,173.81

Finding the Fourth Proportional to 3,666.78, 5,060.03 and 2,173.81

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Solution

The fourth proportional to 3,666.78, 5,060.03 and 2,173.81 is: 2,999.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.78 : 5,060.03 = 2,173.81 : x
  2. Step 2: Convert to fraction form
    3,666.78/5,060.03 = 2,173.81/x
  3. Step 3: Cross multiply
    3,666.78x = 5,060.03 × 2,173.81
  4. Step 4: Simplify right side
    3,666.78x = 10,999,520.30
  5. Step 5: Solve for x
    x = 10,999,520.30/3,666.78
  6. Step 6: Final answer
    x = 2,999.77

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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.