Home / 3,565.13-4,919.99-1,993.23

Finding the Fourth Proportional to 3,565.13, 4,919.99 and 1,993.23

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Solution

The fourth proportional to 3,565.13, 4,919.99 and 1,993.23 is: 2,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.13 : 4,919.99 = 1,993.23 : x
  2. Step 2: Convert to fraction form
    3,565.13/4,919.99 = 1,993.23/x
  3. Step 3: Cross multiply
    3,565.13x = 4,919.99 × 1,993.23
  4. Step 4: Simplify right side
    3,565.13x = 9,806,661.70
  5. Step 5: Solve for x
    x = 9,806,661.70/3,565.13
  6. Step 6: Final answer
    x = 2,750.72

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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.