Home / 3,197.47-4,784.33-2,805.63

Finding the Fourth Proportional to 3,197.47, 4,784.33 and 2,805.63

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Solution

The fourth proportional to 3,197.47, 4,784.33 and 2,805.63 is: 4,198.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.47 : 4,784.33 = 2,805.63 : x
  2. Step 2: Convert to fraction form
    3,197.47/4,784.33 = 2,805.63/x
  3. Step 3: Cross multiply
    3,197.47x = 4,784.33 × 2,805.63
  4. Step 4: Simplify right side
    3,197.47x = 13,423,045.75
  5. Step 5: Solve for x
    x = 13,423,045.75/3,197.47
  6. Step 6: Final answer
    x = 4,198.02

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1.5x scale

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.