Home / 3,942.06-5,439.46-2,263.54

Finding the Fourth Proportional to 3,942.06, 5,439.46 and 2,263.54

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Solution

The fourth proportional to 3,942.06, 5,439.46 and 2,263.54 is: 3,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.06 : 5,439.46 = 2,263.54 : x
  2. Step 2: Convert to fraction form
    3,942.06/5,439.46 = 2,263.54/x
  3. Step 3: Cross multiply
    3,942.06x = 5,439.46 × 2,263.54
  4. Step 4: Simplify right side
    3,942.06x = 12,312,435.29
  5. Step 5: Solve for x
    x = 12,312,435.29/3,942.06
  6. Step 6: Final answer
    x = 3,123.35

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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.