Home / 2,724.91-3,760.26-1,605.90

Finding the Fourth Proportional to 2,724.91, 3,760.26 and 1,605.90

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Solution

The fourth proportional to 2,724.91, 3,760.26 and 1,605.90 is: 2,216.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.91 : 3,760.26 = 1,605.90 : x
  2. Step 2: Convert to fraction form
    2,724.91/3,760.26 = 1,605.90/x
  3. Step 3: Cross multiply
    2,724.91x = 3,760.26 × 1,605.90
  4. Step 4: Simplify right side
    2,724.91x = 6,038,601.53
  5. Step 5: Solve for x
    x = 6,038,601.53/2,724.91
  6. Step 6: Final answer
    x = 2,216.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.