Home / 3,464.26-5,196.40-1,385.40

Finding the Fourth Proportional to 3,464.26, 5,196.40 and 1,385.40

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Solution

The fourth proportional to 3,464.26, 5,196.40 and 1,385.40 is: 2,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.26 : 5,196.40 = 1,385.40 : x
  2. Step 2: Convert to fraction form
    3,464.26/5,196.40 = 1,385.40/x
  3. Step 3: Cross multiply
    3,464.26x = 5,196.40 × 1,385.40
  4. Step 4: Simplify right side
    3,464.26x = 7,199,092.56
  5. Step 5: Solve for x
    x = 7,199,092.56/3,464.26
  6. Step 6: Final answer
    x = 2,078.10

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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.