Home / 3,388.85-5,083.28-2,226.20

Finding the Fourth Proportional to 3,388.85, 5,083.28 and 2,226.20

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Solution

The fourth proportional to 3,388.85, 5,083.28 and 2,226.20 is: 3,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.85 : 5,083.28 = 2,226.20 : x
  2. Step 2: Convert to fraction form
    3,388.85/5,083.28 = 2,226.20/x
  3. Step 3: Cross multiply
    3,388.85x = 5,083.28 × 2,226.20
  4. Step 4: Simplify right side
    3,388.85x = 11,316,386.81
  5. Step 5: Solve for x
    x = 11,316,386.81/3,388.85
  6. Step 6: Final answer
    x = 3,339.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.