Home / 2,724.56-3,759.71-1,605.28

Finding the Fourth Proportional to 2,724.56, 3,759.71 and 1,605.28

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Solution

The fourth proportional to 2,724.56, 3,759.71 and 1,605.28 is: 2,215.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.56 : 3,759.71 = 1,605.28 : x
  2. Step 2: Convert to fraction form
    2,724.56/3,759.71 = 1,605.28/x
  3. Step 3: Cross multiply
    2,724.56x = 3,759.71 × 1,605.28
  4. Step 4: Simplify right side
    2,724.56x = 6,035,387.27
  5. Step 5: Solve for x
    x = 6,035,387.27/2,724.56
  6. Step 6: Final answer
    x = 2,215.18

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1.5x scale

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.