Home / 3,730.36-5,147.42-2,217.68

Finding the Fourth Proportional to 3,730.36, 5,147.42 and 2,217.68

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Solution

The fourth proportional to 3,730.36, 5,147.42 and 2,217.68 is: 3,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.36 : 5,147.42 = 2,217.68 : x
  2. Step 2: Convert to fraction form
    3,730.36/5,147.42 = 2,217.68/x
  3. Step 3: Cross multiply
    3,730.36x = 5,147.42 × 2,217.68
  4. Step 4: Simplify right side
    3,730.36x = 11,415,330.39
  5. Step 5: Solve for x
    x = 11,415,330.39/3,730.36
  6. Step 6: Final answer
    x = 3,060.11

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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.