Home / 2,725.04-3,756.38-2,134.55

Finding the Fourth Proportional to 2,725.04, 3,756.38 and 2,134.55

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Solution

The fourth proportional to 2,725.04, 3,756.38 and 2,134.55 is: 2,942.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.04 : 3,756.38 = 2,134.55 : x
  2. Step 2: Convert to fraction form
    2,725.04/3,756.38 = 2,134.55/x
  3. Step 3: Cross multiply
    2,725.04x = 3,756.38 × 2,134.55
  4. Step 4: Simplify right side
    2,725.04x = 8,018,179.65
  5. Step 5: Solve for x
    x = 8,018,179.65/2,725.04
  6. Step 6: Final answer
    x = 2,942.41

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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.