Home / 3,182.02-4,391.18-1,855.47

Finding the Fourth Proportional to 3,182.02, 4,391.18 and 1,855.47

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Solution

The fourth proportional to 3,182.02, 4,391.18 and 1,855.47 is: 2,560.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.02 : 4,391.18 = 1,855.47 : x
  2. Step 2: Convert to fraction form
    3,182.02/4,391.18 = 1,855.47/x
  3. Step 3: Cross multiply
    3,182.02x = 4,391.18 × 1,855.47
  4. Step 4: Simplify right side
    3,182.02x = 8,147,702.75
  5. Step 5: Solve for x
    x = 8,147,702.75/3,182.02
  6. Step 6: Final answer
    x = 2,560.54

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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.