Home / 3,643.19-5,464.82-1,178.03

Finding the Fourth Proportional to 3,643.19, 5,464.82 and 1,178.03

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Solution

The fourth proportional to 3,643.19, 5,464.82 and 1,178.03 is: 1,767.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.19 : 5,464.82 = 1,178.03 : x
  2. Step 2: Convert to fraction form
    3,643.19/5,464.82 = 1,178.03/x
  3. Step 3: Cross multiply
    3,643.19x = 5,464.82 × 1,178.03
  4. Step 4: Simplify right side
    3,643.19x = 6,437,688.69
  5. Step 5: Solve for x
    x = 6,437,688.69/3,643.19
  6. Step 6: Final answer
    x = 1,767.05

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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.