Home / 3,711.85-5,565.74-1,518.77

Finding the Fourth Proportional to 3,711.85, 5,565.74 and 1,518.77

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Solution

The fourth proportional to 3,711.85, 5,565.74 and 1,518.77 is: 2,277.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.85 : 5,565.74 = 1,518.77 : x
  2. Step 2: Convert to fraction form
    3,711.85/5,565.74 = 1,518.77/x
  3. Step 3: Cross multiply
    3,711.85x = 5,565.74 × 1,518.77
  4. Step 4: Simplify right side
    3,711.85x = 8,453,078.94
  5. Step 5: Solve for x
    x = 8,453,078.94/3,711.85
  6. Step 6: Final answer
    x = 2,277.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.