Home / 3,690.63-5,092.88-2,744.55

Finding the Fourth Proportional to 3,690.63, 5,092.88 and 2,744.55

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Solution

The fourth proportional to 3,690.63, 5,092.88 and 2,744.55 is: 3,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.63 : 5,092.88 = 2,744.55 : x
  2. Step 2: Convert to fraction form
    3,690.63/5,092.88 = 2,744.55/x
  3. Step 3: Cross multiply
    3,690.63x = 5,092.88 × 2,744.55
  4. Step 4: Simplify right side
    3,690.63x = 13,977,650.08
  5. Step 5: Solve for x
    x = 13,977,650.08/3,690.63
  6. Step 6: Final answer
    x = 3,787.33

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1.5x scale

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.