Home / 3,565.06-4,919.97-1,993.12

Finding the Fourth Proportional to 3,565.06, 4,919.97 and 1,993.12

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Solution

The fourth proportional to 3,565.06, 4,919.97 and 1,993.12 is: 2,750.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.06 : 4,919.97 = 1,993.12 : x
  2. Step 2: Convert to fraction form
    3,565.06/4,919.97 = 1,993.12/x
  3. Step 3: Cross multiply
    3,565.06x = 4,919.97 × 1,993.12
  4. Step 4: Simplify right side
    3,565.06x = 9,806,090.61
  5. Step 5: Solve for x
    x = 9,806,090.61/3,565.06
  6. Step 6: Final answer
    x = 2,750.61

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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.