Home / 2,439.72-3,653.28-1,616.76

Finding the Fourth Proportional to 2,439.72, 3,653.28 and 1,616.76

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Solution

The fourth proportional to 2,439.72, 3,653.28 and 1,616.76 is: 2,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.72 : 3,653.28 = 1,616.76 : x
  2. Step 2: Convert to fraction form
    2,439.72/3,653.28 = 1,616.76/x
  3. Step 3: Cross multiply
    2,439.72x = 3,653.28 × 1,616.76
  4. Step 4: Simplify right side
    2,439.72x = 5,906,476.97
  5. Step 5: Solve for x
    x = 5,906,476.97/2,439.72
  6. Step 6: Final answer
    x = 2,420.97

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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.