Home / 3,888.24-5,829.28-2,039

Finding the Fourth Proportional to 3,888.24, 5,829.28 and 2,039

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Solution

The fourth proportional to 3,888.24, 5,829.28 and 2,039 is: 3,056.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.24 : 5,829.28 = 2,039 : x
  2. Step 2: Convert to fraction form
    3,888.24/5,829.28 = 2,039/x
  3. Step 3: Cross multiply
    3,888.24x = 5,829.28 × 2,039
  4. Step 4: Simplify right side
    3,888.24x = 11,885,901.92
  5. Step 5: Solve for x
    x = 11,885,901.92/3,888.24
  6. Step 6: Final answer
    x = 3,056.88

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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.