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Finding the Fourth Proportional to 3,054, 4,218.51 and 2,258.94

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Solution

The fourth proportional to 3,054, 4,218.51 and 2,258.94 is: 3,120.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054 : 4,218.51 = 2,258.94 : x
  2. Step 2: Convert to fraction form
    3,054/4,218.51 = 2,258.94/x
  3. Step 3: Cross multiply
    3,054x = 4,218.51 × 2,258.94
  4. Step 4: Simplify right side
    3,054x = 9,529,360.98
  5. Step 5: Solve for x
    x = 9,529,360.98/3,054
  6. Step 6: Final answer
    x = 3,120.29

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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.