Home / 3,730.15-5,147.21-2,217.17

Finding the Fourth Proportional to 3,730.15, 5,147.21 and 2,217.17

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Solution

The fourth proportional to 3,730.15, 5,147.21 and 2,217.17 is: 3,059.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.15 : 5,147.21 = 2,217.17 : x
  2. Step 2: Convert to fraction form
    3,730.15/5,147.21 = 2,217.17/x
  3. Step 3: Cross multiply
    3,730.15x = 5,147.21 × 2,217.17
  4. Step 4: Simplify right side
    3,730.15x = 11,412,258.01
  5. Step 5: Solve for x
    x = 11,412,258.01/3,730.15
  6. Step 6: Final answer
    x = 3,059.46

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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.