Home / 3,303.21-4,558.49-1,811.11

Finding the Fourth Proportional to 3,303.21, 4,558.49 and 1,811.11

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Solution

The fourth proportional to 3,303.21, 4,558.49 and 1,811.11 is: 2,499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.21 : 4,558.49 = 1,811.11 : x
  2. Step 2: Convert to fraction form
    3,303.21/4,558.49 = 1,811.11/x
  3. Step 3: Cross multiply
    3,303.21x = 4,558.49 × 1,811.11
  4. Step 4: Simplify right side
    3,303.21x = 8,255,926.82
  5. Step 5: Solve for x
    x = 8,255,926.82/3,303.21
  6. Step 6: Final answer
    x = 2,499.36

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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.