Home / 3,384.30-5,076.36-1,739.91

Finding the Fourth Proportional to 3,384.30, 5,076.36 and 1,739.91

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Solution

The fourth proportional to 3,384.30, 5,076.36 and 1,739.91 is: 2,609.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.30 : 5,076.36 = 1,739.91 : x
  2. Step 2: Convert to fraction form
    3,384.30/5,076.36 = 1,739.91/x
  3. Step 3: Cross multiply
    3,384.30x = 5,076.36 × 1,739.91
  4. Step 4: Simplify right side
    3,384.30x = 8,832,409.53
  5. Step 5: Solve for x
    x = 8,832,409.53/3,384.30
  6. Step 6: Final answer
    x = 2,609.82

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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.