Home / 3,565.29-4,920.36-1,993.29

Finding the Fourth Proportional to 3,565.29, 4,920.36 and 1,993.29

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Solution

The fourth proportional to 3,565.29, 4,920.36 and 1,993.29 is: 2,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.29 : 4,920.36 = 1,993.29 : x
  2. Step 2: Convert to fraction form
    3,565.29/4,920.36 = 1,993.29/x
  3. Step 3: Cross multiply
    3,565.29x = 4,920.36 × 1,993.29
  4. Step 4: Simplify right side
    3,565.29x = 9,807,704.38
  5. Step 5: Solve for x
    x = 9,807,704.38/3,565.29
  6. Step 6: Final answer
    x = 2,750.89

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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.