Home / 2,184.86-3,277.74-1,208.91

Finding the Fourth Proportional to 2,184.86, 3,277.74 and 1,208.91

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Solution

The fourth proportional to 2,184.86, 3,277.74 and 1,208.91 is: 1,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.86 : 3,277.74 = 1,208.91 : x
  2. Step 2: Convert to fraction form
    2,184.86/3,277.74 = 1,208.91/x
  3. Step 3: Cross multiply
    2,184.86x = 3,277.74 × 1,208.91
  4. Step 4: Simplify right side
    2,184.86x = 3,962,492.66
  5. Step 5: Solve for x
    x = 3,962,492.66/2,184.86
  6. Step 6: Final answer
    x = 1,813.61

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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.