Home / 3,486.42-4,807.89-2,226.06

Finding the Fourth Proportional to 3,486.42, 4,807.89 and 2,226.06

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Solution

The fourth proportional to 3,486.42, 4,807.89 and 2,226.06 is: 3,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.42 : 4,807.89 = 2,226.06 : x
  2. Step 2: Convert to fraction form
    3,486.42/4,807.89 = 2,226.06/x
  3. Step 3: Cross multiply
    3,486.42x = 4,807.89 × 2,226.06
  4. Step 4: Simplify right side
    3,486.42x = 10,702,651.61
  5. Step 5: Solve for x
    x = 10,702,651.61/3,486.42
  6. Step 6: Final answer
    x = 3,069.81

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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.