Home / 3,477.28-5,188.96-3,108

Finding the Fourth Proportional to 3,477.28, 5,188.96 and 3,108

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Solution

The fourth proportional to 3,477.28, 5,188.96 and 3,108 is: 4,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.28 : 5,188.96 = 3,108 : x
  2. Step 2: Convert to fraction form
    3,477.28/5,188.96 = 3,108/x
  3. Step 3: Cross multiply
    3,477.28x = 5,188.96 × 3,108
  4. Step 4: Simplify right side
    3,477.28x = 16,127,287.68
  5. Step 5: Solve for x
    x = 16,127,287.68/3,477.28
  6. Step 6: Final answer
    x = 4,637.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.