Home / 2,724.58-3,759.32-1,729.49

Finding the Fourth Proportional to 2,724.58, 3,759.32 and 1,729.49

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Solution

The fourth proportional to 2,724.58, 3,759.32 and 1,729.49 is: 2,386.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.58 : 3,759.32 = 1,729.49 : x
  2. Step 2: Convert to fraction form
    2,724.58/3,759.32 = 1,729.49/x
  3. Step 3: Cross multiply
    2,724.58x = 3,759.32 × 1,729.49
  4. Step 4: Simplify right side
    2,724.58x = 6,501,697.70
  5. Step 5: Solve for x
    x = 6,501,697.70/2,724.58
  6. Step 6: Final answer
    x = 2,386.32

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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.