Home / 2,725.36-3,757.08-2,688.28

Finding the Fourth Proportional to 2,725.36, 3,757.08 and 2,688.28

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Solution

The fourth proportional to 2,725.36, 3,757.08 and 2,688.28 is: 3,705.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.36 : 3,757.08 = 2,688.28 : x
  2. Step 2: Convert to fraction form
    2,725.36/3,757.08 = 2,688.28/x
  3. Step 3: Cross multiply
    2,725.36x = 3,757.08 × 2,688.28
  4. Step 4: Simplify right side
    2,725.36x = 10,100,083.02
  5. Step 5: Solve for x
    x = 10,100,083.02/2,725.36
  6. Step 6: Final answer
    x = 3,705.96

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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.