Home / 3,924.52-5,886.81-1,329.28

Finding the Fourth Proportional to 3,924.52, 5,886.81 and 1,329.28

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Solution

The fourth proportional to 3,924.52, 5,886.81 and 1,329.28 is: 1,993.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.52 : 5,886.81 = 1,329.28 : x
  2. Step 2: Convert to fraction form
    3,924.52/5,886.81 = 1,329.28/x
  3. Step 3: Cross multiply
    3,924.52x = 5,886.81 × 1,329.28
  4. Step 4: Simplify right side
    3,924.52x = 7,825,204.08
  5. Step 5: Solve for x
    x = 7,825,204.08/3,924.52
  6. Step 6: Final answer
    x = 1,993.93

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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.