Home / 3,410.15-5,109.75-2,863.40

Finding the Fourth Proportional to 3,410.15, 5,109.75 and 2,863.40

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Solution

The fourth proportional to 3,410.15, 5,109.75 and 2,863.40 is: 4,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.15 : 5,109.75 = 2,863.40 : x
  2. Step 2: Convert to fraction form
    3,410.15/5,109.75 = 2,863.40/x
  3. Step 3: Cross multiply
    3,410.15x = 5,109.75 × 2,863.40
  4. Step 4: Simplify right side
    3,410.15x = 14,631,261.34
  5. Step 5: Solve for x
    x = 14,631,261.34/3,410.15
  6. Step 6: Final answer
    x = 4,290.50

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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.