Home / 3,490.76-5,226.12-2,258.75

Finding the Fourth Proportional to 3,490.76, 5,226.12 and 2,258.75

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Solution

The fourth proportional to 3,490.76, 5,226.12 and 2,258.75 is: 3,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.76 : 5,226.12 = 2,258.75 : x
  2. Step 2: Convert to fraction form
    3,490.76/5,226.12 = 2,258.75/x
  3. Step 3: Cross multiply
    3,490.76x = 5,226.12 × 2,258.75
  4. Step 4: Simplify right side
    3,490.76x = 11,804,511.62
  5. Step 5: Solve for x
    x = 11,804,511.62/3,490.76
  6. Step 6: Final answer
    x = 3,381.64

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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.