Home / 2,705.90-4,047.26-2,258.43

Finding the Fourth Proportional to 2,705.90, 4,047.26 and 2,258.43

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Solution

The fourth proportional to 2,705.90, 4,047.26 and 2,258.43 is: 3,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.90 : 4,047.26 = 2,258.43 : x
  2. Step 2: Convert to fraction form
    2,705.90/4,047.26 = 2,258.43/x
  3. Step 3: Cross multiply
    2,705.90x = 4,047.26 × 2,258.43
  4. Step 4: Simplify right side
    2,705.90x = 9,140,442.11
  5. Step 5: Solve for x
    x = 9,140,442.11/2,705.90
  6. Step 6: Final answer
    x = 3,377.97

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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.