Home / 3,214.05-4,429.26-2,217.51

Finding the Fourth Proportional to 3,214.05, 4,429.26 and 2,217.51

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Solution

The fourth proportional to 3,214.05, 4,429.26 and 2,217.51 is: 3,055.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.05 : 4,429.26 = 2,217.51 : x
  2. Step 2: Convert to fraction form
    3,214.05/4,429.26 = 2,217.51/x
  3. Step 3: Cross multiply
    3,214.05x = 4,429.26 × 2,217.51
  4. Step 4: Simplify right side
    3,214.05x = 9,821,928.34
  5. Step 5: Solve for x
    x = 9,821,928.34/3,214.05
  6. Step 6: Final answer
    x = 3,055.94

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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.