Home / 3,635.96-5,454.66-1,329.08

Finding the Fourth Proportional to 3,635.96, 5,454.66 and 1,329.08

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Solution

The fourth proportional to 3,635.96, 5,454.66 and 1,329.08 is: 1,993.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.96 : 5,454.66 = 1,329.08 : x
  2. Step 2: Convert to fraction form
    3,635.96/5,454.66 = 1,329.08/x
  3. Step 3: Cross multiply
    3,635.96x = 5,454.66 × 1,329.08
  4. Step 4: Simplify right side
    3,635.96x = 7,249,679.51
  5. Step 5: Solve for x
    x = 7,249,679.51/3,635.96
  6. Step 6: Final answer
    x = 1,993.88

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1.5x scale

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.