Home / 3,690.88-5,537.94-1,226.08

Finding the Fourth Proportional to 3,690.88, 5,537.94 and 1,226.08

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Solution

The fourth proportional to 3,690.88, 5,537.94 and 1,226.08 is: 1,839.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.88 : 5,537.94 = 1,226.08 : x
  2. Step 2: Convert to fraction form
    3,690.88/5,537.94 = 1,226.08/x
  3. Step 3: Cross multiply
    3,690.88x = 5,537.94 × 1,226.08
  4. Step 4: Simplify right side
    3,690.88x = 6,789,957.48
  5. Step 5: Solve for x
    x = 6,789,957.48/3,690.88
  6. Step 6: Final answer
    x = 1,839.66

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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.