Home / 3,788.34-5,228.54-2,216.13

Finding the Fourth Proportional to 3,788.34, 5,228.54 and 2,216.13

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Solution

The fourth proportional to 3,788.34, 5,228.54 and 2,216.13 is: 3,058.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.34 : 5,228.54 = 2,216.13 : x
  2. Step 2: Convert to fraction form
    3,788.34/5,228.54 = 2,216.13/x
  3. Step 3: Cross multiply
    3,788.34x = 5,228.54 × 2,216.13
  4. Step 4: Simplify right side
    3,788.34x = 11,587,113.27
  5. Step 5: Solve for x
    x = 11,587,113.27/3,788.34
  6. Step 6: Final answer
    x = 3,058.63

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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.