Home / 3,464.40-5,195.33-1,383.78

Finding the Fourth Proportional to 3,464.40, 5,195.33 and 1,383.78

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Solution

The fourth proportional to 3,464.40, 5,195.33 and 1,383.78 is: 2,075.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.40 : 5,195.33 = 1,383.78 : x
  2. Step 2: Convert to fraction form
    3,464.40/5,195.33 = 1,383.78/x
  3. Step 3: Cross multiply
    3,464.40x = 5,195.33 × 1,383.78
  4. Step 4: Simplify right side
    3,464.40x = 7,189,193.75
  5. Step 5: Solve for x
    x = 7,189,193.75/3,464.40
  6. Step 6: Final answer
    x = 2,075.16

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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.