Home / 3,725.56-5,580.38-2,838.20

Finding the Fourth Proportional to 3,725.56, 5,580.38 and 2,838.20

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Solution

The fourth proportional to 3,725.56, 5,580.38 and 2,838.20 is: 4,251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.56 : 5,580.38 = 2,838.20 : x
  2. Step 2: Convert to fraction form
    3,725.56/5,580.38 = 2,838.20/x
  3. Step 3: Cross multiply
    3,725.56x = 5,580.38 × 2,838.20
  4. Step 4: Simplify right side
    3,725.56x = 15,838,234.52
  5. Step 5: Solve for x
    x = 15,838,234.52/3,725.56
  6. Step 6: Final answer
    x = 4,251.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.