Home / 3,303.30-4,558.56-1,811.28

Finding the Fourth Proportional to 3,303.30, 4,558.56 and 1,811.28

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Solution

The fourth proportional to 3,303.30, 4,558.56 and 1,811.28 is: 2,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.30 : 4,558.56 = 1,811.28 : x
  2. Step 2: Convert to fraction form
    3,303.30/4,558.56 = 1,811.28/x
  3. Step 3: Cross multiply
    3,303.30x = 4,558.56 × 1,811.28
  4. Step 4: Simplify right side
    3,303.30x = 8,256,828.56
  5. Step 5: Solve for x
    x = 8,256,828.56/3,303.30
  6. Step 6: Final answer
    x = 2,499.57

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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.