Home / 3,788.42-5,228.04-2,216.18

Finding the Fourth Proportional to 3,788.42, 5,228.04 and 2,216.18

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Solution

The fourth proportional to 3,788.42, 5,228.04 and 2,216.18 is: 3,058.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.42 : 5,228.04 = 2,216.18 : x
  2. Step 2: Convert to fraction form
    3,788.42/5,228.04 = 2,216.18/x
  3. Step 3: Cross multiply
    3,788.42x = 5,228.04 × 2,216.18
  4. Step 4: Simplify right side
    3,788.42x = 11,586,277.69
  5. Step 5: Solve for x
    x = 11,586,277.69/3,788.42
  6. Step 6: Final answer
    x = 3,058.34

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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.