Home / 3,566.13-4,921.86-1,993.92

Finding the Fourth Proportional to 3,566.13, 4,921.86 and 1,993.92

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Solution

The fourth proportional to 3,566.13, 4,921.86 and 1,993.92 is: 2,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.13 : 4,921.86 = 1,993.92 : x
  2. Step 2: Convert to fraction form
    3,566.13/4,921.86 = 1,993.92/x
  3. Step 3: Cross multiply
    3,566.13x = 4,921.86 × 1,993.92
  4. Step 4: Simplify right side
    3,566.13x = 9,813,795.09
  5. Step 5: Solve for x
    x = 9,813,795.09/3,566.13
  6. Step 6: Final answer
    x = 2,751.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.