Home / 3,869.12-5,799.67-2,942.75

Finding the Fourth Proportional to 3,869.12, 5,799.67 and 2,942.75

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Solution

The fourth proportional to 3,869.12, 5,799.67 and 2,942.75 is: 4,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.12 : 5,799.67 = 2,942.75 : x
  2. Step 2: Convert to fraction form
    3,869.12/5,799.67 = 2,942.75/x
  3. Step 3: Cross multiply
    3,869.12x = 5,799.67 × 2,942.75
  4. Step 4: Simplify right side
    3,869.12x = 17,066,986.03
  5. Step 5: Solve for x
    x = 17,066,986.03/3,869.12
  6. Step 6: Final answer
    x = 4,411.07

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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.