Home / 3,785.12-5,677-1,151.98

Finding the Fourth Proportional to 3,785.12, 5,677 and 1,151.98

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Solution

The fourth proportional to 3,785.12, 5,677 and 1,151.98 is: 1,727.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.12 : 5,677 = 1,151.98 : x
  2. Step 2: Convert to fraction form
    3,785.12/5,677 = 1,151.98/x
  3. Step 3: Cross multiply
    3,785.12x = 5,677 × 1,151.98
  4. Step 4: Simplify right side
    3,785.12x = 6,539,811.75
  5. Step 5: Solve for x
    x = 6,539,811.75/3,785.12
  6. Step 6: Final answer
    x = 1,727.77

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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.