Home / 2,724.21-3,759.48-1,545.36

Finding the Fourth Proportional to 2,724.21, 3,759.48 and 1,545.36

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Solution

The fourth proportional to 2,724.21, 3,759.48 and 1,545.36 is: 2,132.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.21 : 3,759.48 = 1,545.36 : x
  2. Step 2: Convert to fraction form
    2,724.21/3,759.48 = 1,545.36/x
  3. Step 3: Cross multiply
    2,724.21x = 3,759.48 × 1,545.36
  4. Step 4: Simplify right side
    2,724.21x = 5,809,750.01
  5. Step 5: Solve for x
    x = 5,809,750.01/2,724.21
  6. Step 6: Final answer
    x = 2,132.64

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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.