Home / 2,720.43-3,753.51-1,725.34

Finding the Fourth Proportional to 2,720.43, 3,753.51 and 1,725.34

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Solution

The fourth proportional to 2,720.43, 3,753.51 and 1,725.34 is: 2,380.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.43 : 3,753.51 = 1,725.34 : x
  2. Step 2: Convert to fraction form
    2,720.43/3,753.51 = 1,725.34/x
  3. Step 3: Cross multiply
    2,720.43x = 3,753.51 × 1,725.34
  4. Step 4: Simplify right side
    2,720.43x = 6,476,080.94
  5. Step 5: Solve for x
    x = 6,476,080.94/2,720.43
  6. Step 6: Final answer
    x = 2,380.54

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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.