Home / 3,643.14-5,465.20-1,177.36

Finding the Fourth Proportional to 3,643.14, 5,465.20 and 1,177.36

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Solution

The fourth proportional to 3,643.14, 5,465.20 and 1,177.36 is: 1,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.14 : 5,465.20 = 1,177.36 : x
  2. Step 2: Convert to fraction form
    3,643.14/5,465.20 = 1,177.36/x
  3. Step 3: Cross multiply
    3,643.14x = 5,465.20 × 1,177.36
  4. Step 4: Simplify right side
    3,643.14x = 6,434,507.87
  5. Step 5: Solve for x
    x = 6,434,507.87/3,643.14
  6. Step 6: Final answer
    x = 1,766.20

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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.