Home / 3,812.42-5,707.84-2,422.31

Finding the Fourth Proportional to 3,812.42, 5,707.84 and 2,422.31

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Solution

The fourth proportional to 3,812.42, 5,707.84 and 2,422.31 is: 3,626.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.42 : 5,707.84 = 2,422.31 : x
  2. Step 2: Convert to fraction form
    3,812.42/5,707.84 = 2,422.31/x
  3. Step 3: Cross multiply
    3,812.42x = 5,707.84 × 2,422.31
  4. Step 4: Simplify right side
    3,812.42x = 13,826,123.32
  5. Step 5: Solve for x
    x = 13,826,123.32/3,812.42
  6. Step 6: Final answer
    x = 3,626.61

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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.