Home / 3,255.30-4,491.45-1,858.02

Finding the Fourth Proportional to 3,255.30, 4,491.45 and 1,858.02

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Solution

The fourth proportional to 3,255.30, 4,491.45 and 1,858.02 is: 2,563.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.30 : 4,491.45 = 1,858.02 : x
  2. Step 2: Convert to fraction form
    3,255.30/4,491.45 = 1,858.02/x
  3. Step 3: Cross multiply
    3,255.30x = 4,491.45 × 1,858.02
  4. Step 4: Simplify right side
    3,255.30x = 8,345,203.93
  5. Step 5: Solve for x
    x = 8,345,203.93/3,255.30
  6. Step 6: Final answer
    x = 2,563.57

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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.