Home / 2,724.51-3,759.67-1,605.19

Finding the Fourth Proportional to 2,724.51, 3,759.67 and 1,605.19

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Solution

The fourth proportional to 2,724.51, 3,759.67 and 1,605.19 is: 2,215.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.51 : 3,759.67 = 1,605.19 : x
  2. Step 2: Convert to fraction form
    2,724.51/3,759.67 = 1,605.19/x
  3. Step 3: Cross multiply
    2,724.51x = 3,759.67 × 1,605.19
  4. Step 4: Simplify right side
    2,724.51x = 6,034,984.69
  5. Step 5: Solve for x
    x = 6,034,984.69/2,724.51
  6. Step 6: Final answer
    x = 2,215.07

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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.