Home / 3,565.86-4,920.90-1,993.98

Finding the Fourth Proportional to 3,565.86, 4,920.90 and 1,993.98

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Solution

The fourth proportional to 3,565.86, 4,920.90 and 1,993.98 is: 2,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.86 : 4,920.90 = 1,993.98 : x
  2. Step 2: Convert to fraction form
    3,565.86/4,920.90 = 1,993.98/x
  3. Step 3: Cross multiply
    3,565.86x = 4,920.90 × 1,993.98
  4. Step 4: Simplify right side
    3,565.86x = 9,812,176.18
  5. Step 5: Solve for x
    x = 9,812,176.18/3,565.86
  6. Step 6: Final answer
    x = 2,751.70

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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.