Home / 3,384.72-5,077.40-2,773.84

Finding the Fourth Proportional to 3,384.72, 5,077.40 and 2,773.84

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Solution

The fourth proportional to 3,384.72, 5,077.40 and 2,773.84 is: 4,161.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.72 : 5,077.40 = 2,773.84 : x
  2. Step 2: Convert to fraction form
    3,384.72/5,077.40 = 2,773.84/x
  3. Step 3: Cross multiply
    3,384.72x = 5,077.40 × 2,773.84
  4. Step 4: Simplify right side
    3,384.72x = 14,083,895.22
  5. Step 5: Solve for x
    x = 14,083,895.22/3,384.72
  6. Step 6: Final answer
    x = 4,161.02

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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.